45581525 has 24 divisors (see below), whose sum is σ = 62433504. Its totient is φ = 32734400.

The previous prime is 45581519. The next prime is 45581527. The reversal of 45581525 is 52518554.

It is not a de Polignac number, because 45581525 - 2⁶ = 45581461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45581527) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21827 + ... + 23823.

It is an arithmetic number, because the mean of its divisors is an integer number (2601396).

Almost surely, 2^45581525 is an apocalyptic number.

It is an amenable number.

45581525 is a deficient number, since it is larger than the sum of its proper divisors (16851979).

45581525 is a wasteful number, since it uses less digits than its factorization.

45581525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2101 (or 2096 counting only the distinct ones).

The product of its digits is 40000, while the sum is 35.

The square root of 45581525 is about 6751.4091121780. The cubic root of 45581525 is about 357.2149422114.

The spelling of 45581525 in words is "forty-five million, five hundred eighty-one thousand, five hundred twenty-five".