45150520521 has 4 divisors (see below), whose sum is σ = 60200694032. Its totient is φ = 30100347012.

The previous prime is 45150520501. The next prime is 45150520523. The reversal of 45150520521 is 12502505154.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 45150520521 - 2²⁶ = 45083411657 is a prime.

It is a super-2 number, since 2×45150520521² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45150520523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7525086751 + ... + 7525086756.

It is an arithmetic number, because the mean of its divisors is an integer number (15050173508).

Almost surely, 2^45150520521 is an apocalyptic number.

It is an amenable number.

45150520521 is a deficient number, since it is larger than the sum of its proper divisors (15050173511).

45150520521 is a wasteful number, since it uses less digits than its factorization.

45150520521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15050173510.

The product of its (nonzero) digits is 10000, while the sum is 30.

The spelling of 45150520521 in words is "forty-five billion, one hundred fifty million, five hundred twenty thousand, five hundred twenty-one".