90245036 has 24 divisors (see below), whose sum is σ = 181206816. Its totient is φ = 38522880.

The previous prime is 90244991. The next prime is 90245039. The reversal of 90245036 is 63054209.

It is not an unprimeable number, because it can be changed into a prime (90245039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 926 + ... + 13466.

It is an arithmetic number, because the mean of its divisors is an integer number (7550284).

Almost surely, 2^90245036 is an apocalyptic number.

It is an amenable number.

90245036 is an abundant number, since it is smaller than the sum of its proper divisors (90961780).

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

90245036 is a wasteful number, since it uses less digits than its factorization.

90245036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12809 (or 12807 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 90245036 is about 9499.7387332495. The cubic root of 90245036 is about 448.5468118493.

The spelling of 90245036 in words is "ninety million, two hundred forty-five thousand, thirty-six".