45422320520431 has 4 divisors (see below), whose sum is σ = 45422603962992. Its totient is φ = 45422037077872.

The previous prime is 45422320520393. The next prime is 45422320520441. The reversal of 45422320520431 is 13402502322454.

It is a happy number.

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 45422320520431 - 2²⁹ = 45421783649519 is a prime.

It is a super-2 number, since 2×45422320520431² (a number of 28 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 (45422320520441) 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, 141480766 + ... + 141801451.

It is an arithmetic number, because the mean of its divisors is an integer number (11355650990748).

Almost surely, 2^{45422320520431} is an apocalyptic number.

45422320520431 is a deficient number, since it is larger than the sum of its proper divisors (283442561).

45422320520431 is a wasteful number, since it uses less digits than its factorization.

45422320520431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283442560.

The product of its (nonzero) digits is 230400, while the sum is 37.

Adding to 45422320520431 its reverse (13402502322454), we get a palindrome (58824822842885).

The spelling of 45422320520431 in words is "forty-five trillion, four hundred twenty-two billion, three hundred twenty million, five hundred twenty thousand, four hundred thirty-one".