155260032 has 32 divisors (see below), whose sum is σ = 412410480. Its totient is φ = 51753216.

The previous prime is 155260019. The next prime is 155260033. The reversal of 155260032 is 230062551.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 155259984 and 155260011.

It is not an unprimeable number, because it can be changed into a prime (155260033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 201778 + ... + 202545.

Almost surely, 2^155260032 is an apocalyptic number.

155260032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

155260032 is an abundant number, since it is smaller than the sum of its proper divisors (257150448).

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

155260032 is an equidigital number, since it uses as much as digits as its factorization.

155260032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404340 (or 404328 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 155260032 is about 12460.3383581667. The cubic root of 155260032 is about 537.4687569365.

The spelling of 155260032 in words is "one hundred fifty-five million, two hundred sixty thousand, thirty-two".