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145533250040 = 23513127773521
BaseRepresentation
bin1000011110001001110…
…1010010100111111000
3111220122110111002211212
42013202131102213320
54341023003000130
6150505042342252
713341310133423
oct2074235224770
9456573432755
10145533250040
11567a17a8862
122425695a988
1310954048049
14708845c9ba
153bbb8ace95
hex21e27529f8

145533250040 has 32 divisors (see below), whose sum is σ = 329949441360. Its totient is φ = 57768921600.

The previous prime is 145533250019. The next prime is 145533250043. The reversal of 145533250040 is 40052335541.

It is a happy number.

145533250040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 145533249979 and 145533250006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145533250043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13881521 + ... + 13892000.

Almost surely, 2145533250040 is an apocalyptic number.

145533250040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145533250040 is an abundant number, since it is smaller than the sum of its proper divisors (184416191320).

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

145533250040 is a wasteful number, since it uses less digits than its factorization.

145533250040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27773663 (or 27773659 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 32.

Adding to 145533250040 its reverse (40052335541), we get a palindrome (185585585581).

The spelling of 145533250040 in words is "one hundred forty-five billion, five hundred thirty-three million, two hundred fifty thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 131 262 524 655 1048 1310 2620 5240 27773521 55547042 111094084 138867605 222188168 277735210 555470420 1110940840 3638331251 7276662502 14553325004 18191656255 29106650008 36383312510 72766625020 145533250040