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155235456045 = 3351149892267
BaseRepresentation
bin1001000010010011000…
…0010001010000101101
3112211200121220020102000
42100210300101100231
510020410234043140
6155151510322513
714133610414335
oct2204460212055
9484617806360
10155235456045
115a92040582a
1226104059439
131183c12a847
147728c240c5
154088545a30
hex2424c1142d

155235456045 has 16 divisors (see below), whose sum is σ = 275974144320. Its totient is φ = 82792243152.

The previous prime is 155235456037. The next prime is 155235456049. The reversal of 155235456045 is 540654532551.

155235456045 is a `hidden beast` number, since 1 + 5 + 5 + 2 + 3 + 545 + 60 + 45 = 666.

It is not a de Polignac number, because 155235456045 - 23 = 155235456037 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155235456049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 574945999 + ... + 574946268.

It is an arithmetic number, because the mean of its divisors is an integer number (17248384020).

Almost surely, 2155235456045 is an apocalyptic number.

155235456045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

155235456045 is a deficient number, since it is larger than the sum of its proper divisors (120738688275).

155235456045 is a wasteful number, since it uses less digits than its factorization.

155235456045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1149892281 (or 1149892275 counting only the distinct ones).

The product of its (nonzero) digits is 1800000, while the sum is 45.

Adding to 155235456045 its reverse (540654532551), we get a palindrome (695889988596).

The spelling of 155235456045 in words is "one hundred fifty-five billion, two hundred thirty-five million, four hundred fifty-six thousand, forty-five".

Divisors: 1 3 5 9 15 27 45 135 1149892267 3449676801 5749461335 10349030403 17248384005 31047091209 51745152015 155235456045