45204013531 has 4 divisors (see below), whose sum is σ = 45401411200. Its totient is φ = 45006615864.

The previous prime is 45204013513. The next prime is 45204013559. The reversal of 45204013531 is 13531040254.

45204013531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45204013531 - 2⁵ = 45204013499 is a prime.

It is a super-2 number, since 2×45204013531² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45204013531.

It is not an unprimeable number, because it can be changed into a prime (45204013501) 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, 98698491 + ... + 98698948.

It is an arithmetic number, because the mean of its divisors is an integer number (11350352800).

Almost surely, 2^45204013531 is an apocalyptic number.

45204013531 is a deficient number, since it is larger than the sum of its proper divisors (197397669).

45204013531 is a wasteful number, since it uses less digits than its factorization.

45204013531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197397668.

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 45204013531 its reverse (13531040254), we get a palindrome (58735053785).

The spelling of 45204013531 in words is "forty-five billion, two hundred four million, thirteen thousand, five hundred thirty-one".