155129632 has 24 divisors (see below), whose sum is σ = 349042176. Its totient is φ = 66484032.

The previous prime is 155129617. The next prime is 155129633. The reversal of 155129632 is 236921551.

It is not an unprimeable number, because it can be changed into a prime (155129633) 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 3 ways as a sum of consecutive naturals, for example, 346048 + ... + 346495.

It is an arithmetic number, because the mean of its divisors is an integer number (14543424).

Almost surely, 2^155129632 is an apocalyptic number.

It is an amenable number.

155129632 is an abundant number, since it is smaller than the sum of its proper divisors (193912544).

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

155129632 is an equidigital number, since it uses as much as digits as its factorization.

155129632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692560 (or 692552 counting only the distinct ones).

The product of its digits is 16200, while the sum is 34.

The square root of 155129632 is about 12455.1046563247. The cubic root of 155129632 is about 537.3182448022.

The spelling of 155129632 in words is "one hundred fifty-five million, one hundred twenty-nine thousand, six hundred thirty-two".