90150612 has 24 divisors (see below), whose sum is σ = 210600096. Its totient is φ = 30014688.

The previous prime is 90150587. The next prime is 90150631. The reversal of 90150612 is 21605109.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7398 + ... + 15330.

It is an arithmetic number, because the mean of its divisors is an integer number (8775004).

Almost surely, 2^90150612 is an apocalyptic number.

It is an amenable number.

90150612 is an abundant number, since it is smaller than the sum of its proper divisors (120449484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90150612 is a wasteful number, since it uses less digits than its factorization.

90150612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8887 (or 8885 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 24.

The square root of 90150612 is about 9494.7676116901. The cubic root of 90150612 is about 448.3903180547.

The spelling of 90150612 in words is "ninety million, one hundred fifty thousand, six hundred twelve".