90810152 has 16 divisors (see below), whose sum is σ = 174229440. Its totient is φ = 44348976.

The previous prime is 90810143. The next prime is 90810193. The reversal of 90810152 is 25101809.

It is a happy number.

It is an unprimeable number.

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, 131648 + ... + 132335.

It is an arithmetic number, because the mean of its divisors is an integer number (10889340).

Almost surely, 2^90810152 is an apocalyptic number.

It is an amenable number.

90810152 is a deficient number, since it is larger than the sum of its proper divisors (83419288).

90810152 is a wasteful number, since it uses less digits than its factorization.

90810152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264032 (or 264028 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 26.

The square root of 90810152 is about 9529.4360798528. The cubic root of 90810152 is about 449.4811336454.

The spelling of 90810152 in words is "ninety million, eight hundred ten thousand, one hundred fifty-two".