45463979 has 18 divisors (see below), whose sum is σ = 52838604. Its totient is φ = 38789640.

The previous prime is 45463973. The next prime is 45463987. The reversal of 45463979 is 97936454.

It is a happy number.

It is not a de Polignac number, because 45463979 - 2⁴ = 45463963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45463973) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 424844 + ... + 424950.

It is an arithmetic number, because the mean of its divisors is an integer number (2935478).

Almost surely, 2^45463979 is an apocalyptic number.

45463979 is a deficient number, since it is larger than the sum of its proper divisors (7374625).

45463979 is a wasteful number, since it uses less digits than its factorization.

45463979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263 (or 137 counting only the distinct ones).

The product of its digits is 816480, while the sum is 47.

The square root of 45463979 is about 6742.6981987925. The cubic root of 45463979 is about 356.9076149671.

The spelling of 45463979 in words is "forty-five million, four hundred sixty-three thousand, nine hundred seventy-nine".