45297986 has 12 divisors (see below), whose sum is σ = 68418402. Its totient is φ = 22492704.

The previous prime is 45297961. The next prime is 45297991. The reversal of 45297986 is 68979254.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 3940225 + 41357761 = 1985^2 + 6431^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 144566 + ... + 144878.

Almost surely, 2^45297986 is an apocalyptic number.

45297986 is a deficient number, since it is larger than the sum of its proper divisors (23120416).

45297986 is an equidigital number, since it uses as much as digits as its factorization.

45297986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 853 (or 584 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 50.

The square root of 45297986 is about 6730.3778497199. The cubic root of 45297986 is about 356.4727181870.

The spelling of 45297986 in words is "forty-five million, two hundred ninety-seven thousand, nine hundred eighty-six".