431622356145 has 128 divisors (see below), whose sum is σ = 731208038400. Its totient is φ = 217176588288.

The previous prime is 431622356129. The next prime is 431622356149. The reversal of 431622356145 is 541653226134.

It is not a de Polignac number, because 431622356145 - 2⁴ = 431622356129 is a prime.

It is a super-2 number, since 2×431622356145² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 431622356097 and 431622356106.

It is not an unprimeable number, because it can be changed into a prime (431622356149) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1030124746 + ... + 1030125164.

It is an arithmetic number, because the mean of its divisors is an integer number (5712562800).

Almost surely, 2^431622356145 is an apocalyptic number.

It is an amenable number.

431622356145 is a deficient number, since it is larger than the sum of its proper divisors (299585682255).

431622356145 is a wasteful number, since it uses less digits than its factorization.

431622356145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879.

The product of its digits is 518400, while the sum is 42.

The spelling of 431622356145 in words is "four hundred thirty-one billion, six hundred twenty-two million, three hundred fifty-six thousand, one hundred forty-five".