45012444525 has 48 divisors (see below), whose sum is σ = 82902580800. Its totient is φ = 23944783680.

The previous prime is 45012444487. The next prime is 45012444583. The reversal of 45012444525 is 52544421054.

45012444525 is a `hidden beast` number, since 4 + 5 + 0 + 124 + 4 + 4 + 525 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-45012444525 is a prime.

It is a super-2 number, since 2×45012444525² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 45012444525.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 176862 + ... + 348288.

It is an arithmetic number, because the mean of its divisors is an integer number (1727137100).

Almost surely, 2^45012444525 is an apocalyptic number.

45012444525 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

45012444525 is a deficient number, since it is larger than the sum of its proper divisors (37890136275).

45012444525 is a wasteful number, since it uses less digits than its factorization.

45012444525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171835 (or 171824 counting only the distinct ones).

The product of its (nonzero) digits is 128000, while the sum is 36.

Adding to 45012444525 its reverse (52544421054), we get a palindrome (97556865579).

The spelling of 45012444525 in words is "forty-five billion, twelve million, four hundred forty-four thousand, five hundred twenty-five".