90445498 has 16 divisors (see below), whose sum is σ = 159386976. Its totient is φ = 37949040.

The previous prime is 90445483. The next prime is 90445513. The reversal of 90445498 is 89454409.

It is an interprime number because it is at equal distance from previous prime (90445483) and next prime (90445513).

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 7 ways as a sum of consecutive naturals, for example, 157836 + ... + 158407.

It is an arithmetic number, because the mean of its divisors is an integer number (9961686).

Almost surely, 2^90445498 is an apocalyptic number.

90445498 is a deficient number, since it is larger than the sum of its proper divisors (68941478).

90445498 is a wasteful number, since it uses less digits than its factorization.

90445498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316269.

The product of its (nonzero) digits is 207360, while the sum is 43.

The square root of 90445498 is about 9510.2838022848. The cubic root of 90445498 is about 448.8786864119.

The spelling of 90445498 in words is "ninety million, four hundred forty-five thousand, four hundred ninety-eight".