45878125 has 24 divisors (see below), whose sum is σ = 58636872. Its totient is φ = 35880000.

The previous prime is 45878111. The next prime is 45878153. The reversal of 45878125 is 52187854.

It can be written as a sum of positive squares in 12 ways, for example, as 45846441 + 31684 = 6771^2 + 178^2 .

It is not a de Polignac number, because 45878125 - 2⁵ = 45878093 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a nialpdrome in base 5.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 165487 + ... + 165763.

It is an arithmetic number, because the mean of its divisors is an integer number (2443203).

Almost surely, 2^45878125 is an apocalyptic number.

It is an amenable number.

45878125 is a deficient number, since it is larger than the sum of its proper divisors (12758747).

45878125 is an frugal number, since it uses more digits than its factorization.

45878125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355 (or 335 counting only the distinct ones).

The product of its digits is 89600, while the sum is 40.

The square root of 45878125 is about 6773.3392798530. The cubic root of 45878125 is about 357.9880695753.

The spelling of 45878125 in words is "forty-five million, eight hundred seventy-eight thousand, one hundred twenty-five".