45547925 has 24 divisors (see below), whose sum is σ = 59470152. Its totient is φ = 34560000.

The previous prime is 45547919. The next prime is 45547949. The reversal of 45547925 is 52974554.

It can be written as a sum of positive squares in 12 ways, for example, as 30625156 + 14922769 = 5534^2 + 3863^2 .

It is not a de Polignac number, because 45547925 - 2⁶ = 45547861 is a prime.

It is a super-2 number, since 2×45547925² = 4149226943611250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

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, 37325 + ... + 38525.

It is an arithmetic number, because the mean of its divisors is an integer number (2477923).

Almost surely, 2^45547925 is an apocalyptic number.

It is an amenable number.

45547925 is a deficient number, since it is larger than the sum of its proper divisors (13922227).

45547925 is a wasteful number, since it uses less digits than its factorization.

45547925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1289 (or 1284 counting only the distinct ones).

The product of its digits is 252000, while the sum is 41.

The square root of 45547925 is about 6748.9202840158. The cubic root of 45547925 is about 357.1271480709.

The spelling of 45547925 in words is "forty-five million, five hundred forty-seven thousand, nine hundred twenty-five".