90030112 has 12 divisors (see below), whose sum is σ = 177246846. Its totient is φ = 45015040.

The previous prime is 90030071. The next prime is 90030133. The reversal of 90030112 is 21103009.

It can be written as a sum of positive squares in only one way, i.e., 89038096 + 992016 = 9436^2 + 996^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1406689 + ... + 1406752.

Almost surely, 2^90030112 is an apocalyptic number.

It is an amenable number.

90030112 is a deficient number, since it is larger than the sum of its proper divisors (87216734).

90030112 is a wasteful number, since it uses less digits than its factorization.

90030112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2813451 (or 2813443 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 90030112 is about 9488.4198895285. The cubic root of 90030112 is about 448.1904483641.

The spelling of 90030112 in words is "ninety million, thirty thousand, one hundred twelve".