45224520131 has 4 divisors (see below), whose sum is σ = 51685165872. Its totient is φ = 38763874392.

The previous prime is 45224520101. The next prime is 45224520139. The reversal of 45224520131 is 13102542254.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13102542254 = 2 ⋅6551271127.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45224520131 is a prime.

It is a super-2 number, since 2×45224520131² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45224520094 and 45224520103.

It is not an unprimeable number, because it can be changed into a prime (45224520139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3230322860 + ... + 3230322873.

It is an arithmetic number, because the mean of its divisors is an integer number (12921291468).

Almost surely, 2^45224520131 is an apocalyptic number.

45224520131 is a deficient number, since it is larger than the sum of its proper divisors (6460645741).

45224520131 is an equidigital number, since it uses as much as digits as its factorization.

45224520131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6460645740.

The product of its (nonzero) digits is 9600, while the sum is 29.

The spelling of 45224520131 in words is "forty-five billion, two hundred twenty-four million, five hundred twenty thousand, one hundred thirty-one".