45046420531 has 8 divisors (see below), whose sum is σ = 54509954400. Its totient is φ = 36339969408.

The previous prime is 45046420511. The next prime is 45046420547. The reversal of 45046420531 is 13502464054.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45046420531 - 2⁵ = 45046420499 is a prime.

It is a super-2 number, since 2×45046420531² (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 (45046420511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189270556 + ... + 189270793.

It is an arithmetic number, because the mean of its divisors is an integer number (6813744300).

Almost surely, 2^45046420531 is an apocalyptic number.

45046420531 is a deficient number, since it is larger than the sum of its proper divisors (9463533869).

45046420531 is a wasteful number, since it uses less digits than its factorization.

45046420531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378541373.

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 45046420531 its reverse (13502464054), we get a palindrome (58548884585).

The spelling of 45046420531 in words is "forty-five billion, forty-six million, four hundred twenty thousand, five hundred thirty-one".