453090906 has 12 divisors (see below), whose sum is σ = 981697002. Its totient is φ = 151030296.

The previous prime is 453090899. The next prime is 453091003. The reversal of 453090906 is 609090354.

It can be written as a sum of positive squares in only one way, i.e., 385768881 + 67322025 = 19641^2 + 8205^2 .

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12585841 + ... + 12585876.

Almost surely, 2^453090906 is an apocalyptic number.

453090906 is an abundant number, since it is smaller than the sum of its proper divisors (528606096).

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

453090906 is a wasteful number, since it uses less digits than its factorization.

453090906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25171725 (or 25171722 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The square root of 453090906 is about 21285.9321148969. The cubic root of 453090906 is about 768.0599420174.

The spelling of 453090906 in words is "four hundred fifty-three million, ninety thousand, nine hundred six".