45979965 has 12 divisors (see below), whose sum is σ = 79698684. Its totient is φ = 24522624.

The previous prime is 45979963. The next prime is 45979979. The reversal of 45979965 is 56997954.

It can be written as a sum of positive squares in 2 ways, for example, as 6365529 + 39614436 = 2523^2 + 6294^2 .

It is not a de Polignac number, because 45979965 - 2¹ = 45979963 is a prime.

It is a super-2 number, since 2×45979965² = 4228314362802450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45979963) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 510844 + ... + 510933.

It is an arithmetic number, because the mean of its divisors is an integer number (6641557).

Almost surely, 2^45979965 is an apocalyptic number.

45979965 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

45979965 is a deficient number, since it is larger than the sum of its proper divisors (33718719).

45979965 is a wasteful number, since it uses less digits than its factorization.

45979965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1021788 (or 1021785 counting only the distinct ones).

The product of its digits is 3061800, while the sum is 54.

The square root of 45979965 is about 6780.8528224700. The cubic root of 45979965 is about 358.2527604432.

The spelling of 45979965 in words is "forty-five million, nine hundred seventy-nine thousand, nine hundred sixty-five".