45605725 has 24 divisors (see below), whose sum is σ = 61996032. Its totient is φ = 33004800.

The previous prime is 45605701. The next prime is 45605737. The reversal of 45605725 is 52750654.

It is not a de Polignac number, because 45605725 - 2⁹ = 45605213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 105109 + ... + 105541.

It is an arithmetic number, because the mean of its divisors is an integer number (2583168).

Almost surely, 2^45605725 is an apocalyptic number.

It is an amenable number.

45605725 is a deficient number, since it is larger than the sum of its proper divisors (16390307).

45605725 is a wasteful number, since it uses less digits than its factorization.

45605725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 837 (or 832 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 34.

The square root of 45605725 is about 6753.2010928152. The cubic root of 45605725 is about 357.2781481718.

Subtracting 45605725 from its reverse (52750654), we obtain a square (7144929 = 2673²).

The spelling of 45605725 in words is "forty-five million, six hundred five thousand, seven hundred twenty-five".