45499970 has 24 divisors (see below), whose sum is σ = 83730996. Its totient is φ = 17795648.

The previous prime is 45499969. The next prime is 45499991. The reversal of 45499970 is 7999454.

It can be written as a sum of positive squares in 6 ways, for example, as 43864129 + 1635841 = 6623^2 + 1279^2 .

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 11 ways as a sum of consecutive naturals, for example, 155144 + ... + 155436.

Almost surely, 2^45499970 is an apocalyptic number.

45499970 is a deficient number, since it is larger than the sum of its proper divisors (38231026).

45499970 is an equidigital number, since it uses as much as digits as its factorization.

45499970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646 (or 353 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 47.

The square root of 45499970 is about 6745.3665578677. The cubic root of 45499970 is about 357.0017706341.

The spelling of 45499970 in words is "forty-five million, four hundred ninety-nine thousand, nine hundred seventy".