45479799 has 20 divisors (see below), whose sum is σ = 68217864. Its totient is φ = 30195504.

The previous prime is 45479789. The next prime is 45479807. The reversal of 45479799 is 99797454.

45479799 is a `hidden beast` number, since 4 + 547 + 9 + 7 + 99 = 666.

It is not a de Polignac number, because 45479799 - 2⁸ = 45479543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45479719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 21424 + ... + 23450.

Almost surely, 2^45479799 is an apocalyptic number.

45479799 is a deficient number, since it is larger than the sum of its proper divisors (22738065).

45479799 is a wasteful number, since it uses less digits than its factorization.

45479799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2316 (or 2307 counting only the distinct ones).

The product of its digits is 2857680, while the sum is 54.

The square root of 45479799 is about 6743.8712176316. The cubic root of 45479799 is about 356.9490076169.

The spelling of 45479799 in words is "forty-five million, four hundred seventy-nine thousand, seven hundred ninety-nine".