45562725 has 72 divisors (see below), whose sum is σ = 90475112. Its totient is φ = 21772800.

The previous prime is 45562723. The next prime is 45562739. The reversal of 45562725 is 52726554.

45562725 is a `hidden beast` number, since 4 + 5 + 5 + 627 + 25 = 666.

It can be written as a sum of positive squares in 12 ways, for example, as 26193924 + 19368801 = 5118^2 + 4401^2 .

It is not a de Polignac number, because 45562725 - 2¹ = 45562723 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45562725.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45562723) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 108015 + ... + 108435.

It is the magic constant of a 450 × 450 magic square.

Almost surely, 2^45562725 is an apocalyptic number.

45562725 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

45562725 is a deficient number, since it is larger than the sum of its proper divisors (44912387).

45562725 is a wasteful number, since it uses less digits than its factorization.

45562725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487 (or 479 counting only the distinct ones).

The product of its digits is 84000, while the sum is 36.

The square root of 45562725 is about 6750.0166666461. The cubic root of 45562725 is about 357.1658246182.

The spelling of 45562725 in words is "forty-five million, five hundred sixty-two thousand, seven hundred twenty-five".