90452612 has 12 divisors (see below), whose sum is σ = 159264336. Its totient is φ = 44948520.

The previous prime is 90452603. The next prime is 90452617. The reversal of 90452612 is 21625409.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (90452617) 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, 68714 + ... + 70017.

It is an arithmetic number, because the mean of its divisors is an integer number (13272028).

Almost surely, 2^90452612 is an apocalyptic number.

It is an amenable number.

90452612 is a deficient number, since it is larger than the sum of its proper divisors (68811724).

90452612 is a wasteful number, since it uses less digits than its factorization.

90452612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138898 (or 138896 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 90452612 is about 9510.6578111085. The cubic root of 90452612 is about 448.8904549699.

The spelling of 90452612 in words is "ninety million, four hundred fifty-two thousand, six hundred twelve".