45424725 has 48 divisors (see below), whose sum is σ = 79994880. Its totient is φ = 22680000.

The previous prime is 45424721. The next prime is 45424733. The reversal of 45424725 is 52742454.

It is not a de Polignac number, because 45424725 - 2² = 45424721 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45424721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 180850 + ... + 181100.

It is an arithmetic number, because the mean of its divisors is an integer number (1666560).

Almost surely, 2^45424725 is an apocalyptic number.

It is an amenable number.

45424725 is a deficient number, since it is larger than the sum of its proper divisors (34570155).

45424725 is a wasteful number, since it uses less digits than its factorization.

45424725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410 (or 405 counting only the distinct ones).

The product of its digits is 44800, while the sum is 33.

The square root of 45424725 is about 6739.7867176937. The cubic root of 45424725 is about 356.8048663303.

The spelling of 45424725 in words is "forty-five million, four hundred twenty-four thousand, seven hundred twenty-five".