45521802 has 12 divisors (see below), whose sum is σ = 98630610. Its totient is φ = 15173928.

The previous prime is 45521797. The next prime is 45521831. The reversal of 45521802 is 20812554.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 39425841 + 6095961 = 6279^2 + 2469^2 .

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, 1264477 + ... + 1264512.

Almost surely, 2^45521802 is an apocalyptic number.

45521802 is an abundant number, since it is smaller than the sum of its proper divisors (53108808).

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

45521802 is a wasteful number, since it uses less digits than its factorization.

45521802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2528997 (or 2528994 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 45521802 is about 6746.9846598314. The cubic root of 45521802 is about 357.0588609018.

The spelling of 45521802 in words is "forty-five million, five hundred twenty-one thousand, eight hundred two".