45121450525 has 12 divisors (see below), whose sum is σ = 55993977664. Its totient is φ = 36069174000.

The previous prime is 45121450501. The next prime is 45121450573. The reversal of 45121450525 is 52505412154.

It is not a de Polignac number, because 45121450525 - 2¹⁹ = 45120926237 is a prime.

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 11 ways as a sum of consecutive naturals, for example, 666741 + ... + 731290.

Almost surely, 2^45121450525 is an apocalyptic number.

It is an amenable number.

45121450525 is a deficient number, since it is larger than the sum of its proper divisors (10872527139).

45121450525 is a wasteful number, since it uses less digits than its factorization.

45121450525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1399332 (or 1399327 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 34.

Adding to 45121450525 its reverse (52505412154), we get a palindrome (97626862679).

The spelling of 45121450525 in words is "forty-five billion, one hundred twenty-one million, four hundred fifty thousand, five hundred twenty-five".