90153895 has 32 divisors (see below), whose sum is σ = 121665600. Its totient is φ = 64052352.

The previous prime is 90153893. The next prime is 90153977. The reversal of 90153895 is 59835109.

It is not a de Polignac number, because 90153895 - 2¹ = 90153893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90153893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 318424 + ... + 318706.

It is an arithmetic number, because the mean of its divisors is an integer number (3802050).

Almost surely, 2^90153895 is an apocalyptic number.

90153895 is a deficient number, since it is larger than the sum of its proper divisors (31511705).

90153895 is a wasteful number, since it uses less digits than its factorization.

90153895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356 (or 330 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 40.

The square root of 90153895 is about 9494.9404948109. The cubic root of 90153895 is about 448.3957609741.

The spelling of 90153895 in words is "ninety million, one hundred fifty-three thousand, eight hundred ninety-five".