45687325 has 36 divisors (see below), whose sum is σ = 61238268. Its totient is φ = 33779200.

The previous prime is 45687319. The next prime is 45687329. The reversal of 45687325 is 52378654.

It can be written as a sum of positive squares in 18 ways, for example, as 35176761 + 10510564 = 5931^2 + 3242^2 .

It is not a de Polignac number, because 45687325 - 2⁹ = 45686813 is a prime.

It is a Duffinian number.

Its product of digits (201600) is a multiple of the sum of its prime divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45687329) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 861999 + ... + 862051.

It is an arithmetic number, because the mean of its divisors is an integer number (1701063).

Almost surely, 2^45687325 is an apocalyptic number.

It is an amenable number.

45687325 is a deficient number, since it is larger than the sum of its proper divisors (15550943).

45687325 is a wasteful number, since it uses less digits than its factorization.

45687325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162 (or 128 counting only the distinct ones).

The product of its digits is 201600, while the sum is 40.

The square root of 45687325 is about 6759.2399720679. The cubic root of 45687325 is about 357.4911077385.

The spelling of 45687325 in words is "forty-five million, six hundred eighty-seven thousand, three hundred twenty-five".