90245132 has 12 divisors (see below), whose sum is σ = 161602056. Its totient is φ = 44073120.

The previous prime is 90245119. The next prime is 90245137. The reversal of 90245132 is 23154209.

It is not an unprimeable number, because it can be changed into a prime (90245137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 262169 + ... + 262512.

It is an arithmetic number, because the mean of its divisors is an integer number (13466838).

Almost surely, 2^90245132 is an apocalyptic number.

It is an amenable number.

90245132 is a deficient number, since it is larger than the sum of its proper divisors (71356924).

90245132 is a wasteful number, since it uses less digits than its factorization.

90245132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524728 (or 524726 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 90245132 is about 9499.7437860187. The cubic root of 90245132 is about 448.5469708995.

The spelling of 90245132 in words is "ninety million, two hundred forty-five thousand, one hundred thirty-two".