90153067492 has 12 divisors (see below), whose sum is σ = 157960039356. Its totient is φ = 45021627680.

The previous prime is 90153067463. The next prime is 90153067493. The reversal of 90153067492 is 29476035109.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 17136380836 + 73016686656 = 130906^2 + 270216^2 .

It is not an unprimeable number, because it can be changed into a prime (90153067493) 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, 13722823 + ... + 13729390.

It is an arithmetic number, because the mean of its divisors is an integer number (13163336613).

Almost surely, 2^90153067492 is an apocalyptic number.

It is an amenable number.

90153067492 is a deficient number, since it is larger than the sum of its proper divisors (67806971864).

90153067492 is a wasteful number, since it uses less digits than its factorization.

90153067492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27453038 (or 27453036 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 46.

The spelling of 90153067492 in words is "ninety billion, one hundred fifty-three million, sixty-seven thousand, four hundred ninety-two".