45490986 has 12 divisors (see below), whose sum is σ = 98563842. Its totient is φ = 15163656.

The previous prime is 45490979. The next prime is 45490993. The reversal of 45490986 is 68909454.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (45490979) and next prime (45490993).

It can be written as a sum of positive squares in only one way, i.e., 25857225 + 19633761 = 5085^2 + 4431^2 .

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, 1263621 + ... + 1263656.

Almost surely, 2^45490986 is an apocalyptic number.

45490986 is an abundant number, since it is smaller than the sum of its proper divisors (53072856).

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

45490986 is a wasteful number, since it uses less digits than its factorization.

45490986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2527285 (or 2527282 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 45490986 is about 6744.7005863863. The cubic root of 45490986 is about 356.9782723400.

The spelling of 45490986 in words is "forty-five million, four hundred ninety thousand, nine hundred eighty-six".