45237745 has 16 divisors (see below), whose sum is σ = 62161920. Its totient is φ = 30959424.

The previous prime is 45237737. The next prime is 45237761. The reversal of 45237745 is 54773254.

It is a happy number.

45237745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 45237745 - 2³ = 45237737 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23904 + ... + 25726.

It is an arithmetic number, because the mean of its divisors is an integer number (3885120).

Almost surely, 2^45237745 is an apocalyptic number.

It is an amenable number.

45237745 is a deficient number, since it is larger than the sum of its proper divisors (16924175).

45237745 is a wasteful number, since it uses less digits than its factorization.

45237745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2544.

The product of its digits is 117600, while the sum is 37.

The square root of 45237745 is about 6725.9010548773. The cubic root of 45237745 is about 356.3146258053.

The spelling of 45237745 in words is "forty-five million, two hundred thirty-seven thousand, seven hundred forty-five".