45479775 has 24 divisors (see below), whose sum is σ = 82030464. Its totient is φ = 22050400.

The previous prime is 45479723. The next prime is 45479789. The reversal of 45479775 is 57797454.

It is a happy number.

It is not a de Polignac number, because 45479775 - 2²⁵ = 11925343 is a prime.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 26739 + ... + 28388.

It is an arithmetic number, because the mean of its divisors is an integer number (3417936).

Almost surely, 2^45479775 is an apocalyptic number.

45479775 is a deficient number, since it is larger than the sum of its proper divisors (36550689).

45479775 is a wasteful number, since it uses less digits than its factorization.

45479775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55151 (or 55146 counting only the distinct ones).

The product of its digits is 1234800, while the sum is 48.

The square root of 45479775 is about 6743.8694382380. The cubic root of 45479775 is about 356.9489448287.

The spelling of 45479775 in words is "forty-five million, four hundred seventy-nine thousand, seven hundred seventy-five".