45541535231 has 4 divisors (see below), whose sum is σ = 46165391952. Its totient is φ = 44917678512.

The previous prime is 45541535177. The next prime is 45541535239. The reversal of 45541535231 is 13253514554.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45541535231 is a prime.

It is a super-2 number, since 2×45541535231² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45541535239) 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, 311928251 + ... + 311928396.

It is an arithmetic number, because the mean of its divisors is an integer number (11541347988).

Almost surely, 2^45541535231 is an apocalyptic number.

45541535231 is a deficient number, since it is larger than the sum of its proper divisors (623856721).

45541535231 is an equidigital number, since it uses as much as digits as its factorization.

45541535231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623856720.

The product of its digits is 180000, while the sum is 38.

The spelling of 45541535231 in words is "forty-five billion, five hundred forty-one million, five hundred thirty-five thousand, two hundred thirty-one".