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153145430244 = 223672472
BaseRepresentation
bin1000111010100000101…
…1011101000011100100
3112122021222010221000000
42032220023131003210
510002120212231434
6154204250021300
714031041451552
oct2165013350344
9478258127000
10153145430244
1159a4866a484
1225820117830
13115981228a1
1475ab412bd2
153eb4cedb99
hex23a82dd0e4

153145430244 has 63 divisors (see below), whose sum is σ = 401878392307. Its totient is φ = 51041432664.

The previous prime is 153145430209. The next prime is 153145430267. The reversal of 153145430244 is 442034541351.

The square root of 153145430244 is 391338.

It is a perfect power (a square), and thus also a powerful number.

153145430244 is a `hidden beast` number, since 1 + 531 + 4 + 54 + 30 + 2 + 44 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 153145430199 and 153145430208.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 21128629 + ... + 21135875.

Almost surely, 2153145430244 is an apocalyptic number.

153145430244 is the 391338-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 153145430244

153145430244 is an abundant number, since it is smaller than the sum of its proper divisors (248732962063).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

153145430244 is an frugal number, since it uses more digits than its factorization.

153145430244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14516 (or 7252 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

Multiplying 153145430244 by its sum of digits (36), we get a square (5513235488784 = 23480282).

153145430244 divided by its sum of digits (36) gives a square (4254039729 = 652232).

Adding to 153145430244 its reverse (442034541351), we get a palindrome (595179971595).

The spelling of 153145430244 in words is "one hundred fifty-three billion, one hundred forty-five million, four hundred thirty thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 81 108 162 243 324 486 729 972 1458 2916 7247 14494 21741 28988 43482 65223 86964 130446 195669 260892 391338 587007 782676 1174014 1761021 2348028 3522042 5283063 7044084 10566126 21132252 52519009 105038018 157557027 210076036 315114054 472671081 630228108 945342162 1418013243 1890684324 2836026486 4254039729 5672052972 8508079458 12762119187 17016158916 25524238374 38286357561 51048476748 76572715122 153145430244