45479790 has 48 divisors (see below), whose sum is σ = 122069376. Its totient is φ = 11736000.

The previous prime is 45479789. The next prime is 45479807. The reversal of 45479790 is 9797454.

It is a super-2 number, since 2×45479790² = 4136822596888200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5361 + ... + 10940.

It is an arithmetic number, because the mean of its divisors is an integer number (2543112).

Almost surely, 2^45479790 is an apocalyptic number.

45479790 is an abundant number, since it is smaller than the sum of its proper divisors (76589586).

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

45479790 is a wasteful number, since it uses less digits than its factorization.

45479790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16345 (or 16342 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The square root of 45479790 is about 6743.8705503590. The cubic root of 45479790 is about 356.9489840713.

The spelling of 45479790 in words is "forty-five million, four hundred seventy-nine thousand, seven hundred ninety".