90192445 has 16 divisors (see below), whose sum is σ = 124023168. Its totient is φ = 61680960.

The previous prime is 90192439. The next prime is 90192461. The reversal of 90192445 is 54429109.

It is not a de Polignac number, because 90192445 - 2³ = 90192437 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 90192445.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 10650 + ... + 17140.

It is an arithmetic number, because the mean of its divisors is an integer number (7751448).

Almost surely, 2^90192445 is an apocalyptic number.

It is an amenable number.

90192445 is a deficient number, since it is larger than the sum of its proper divisors (33830723).

90192445 is a wasteful number, since it uses less digits than its factorization.

90192445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6900.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 90192445 is about 9496.9703063661. The cubic root of 90192445 is about 448.4596635316.

The spelling of 90192445 in words is "ninety million, one hundred ninety-two thousand, four hundred forty-five".