90957144 has 32 divisors (see below), whose sum is σ = 227913840. Its totient is φ = 30249600.

The previous prime is 90957059. The next prime is 90957187. The reversal of 90957144 is 44175909.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6954 + ... + 15174.

Almost surely, 2^90957144 is an apocalyptic number.

It is an amenable number.

90957144 is an abundant number, since it is smaller than the sum of its proper divisors (136956696).

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

90957144 is a wasteful number, since it uses less digits than its factorization.

90957144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8691 (or 8687 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 90957144 is about 9537.1454848922. The cubic root of 90957144 is about 449.7235239975.

The spelling of 90957144 in words is "ninety million, nine hundred fifty-seven thousand, one hundred forty-four".