90429152 has 24 divisors (see below), whose sum is σ = 194217912. Its totient is φ = 41104000.

The previous prime is 90429127. The next prime is 90429161. The reversal of 90429152 is 25192409.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128099 + ... + 128802.

It is an arithmetic number, because the mean of its divisors is an integer number (8092413).

Almost surely, 2^90429152 is an apocalyptic number.

It is an amenable number.

90429152 is an abundant number, since it is smaller than the sum of its proper divisors (103788760).

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

90429152 is a wasteful number, since it uses less digits than its factorization.

90429152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256922 (or 256914 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 90429152 is about 9509.4243779526. The cubic root of 90429152 is about 448.8516431898.

The spelling of 90429152 in words is "ninety million, four hundred twenty-nine thousand, one hundred fifty-two".