451132031144 has 32 divisors (see below), whose sum is σ = 875170375200. Its totient is φ = 217755572160.

The previous prime is 451132031143. The next prime is 451132031257. The reversal of 451132031144 is 441130231154.

It is a super-2 number, since 2×451132031144² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is not an unprimeable number, because it can be changed into a prime (451132031143) 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, 1461659 + ... + 1743189.

It is an arithmetic number, because the mean of its divisors is an integer number (27349074225).

Almost surely, 2^451132031144 is an apocalyptic number.

It is an amenable number.

451132031144 is a deficient number, since it is larger than the sum of its proper divisors (424038344056).

451132031144 is a wasteful number, since it uses less digits than its factorization.

451132031144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288473 (or 288469 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

Adding to 451132031144 its reverse (441130231154), we get a palindrome (892262262298).

The spelling of 451132031144 in words is "four hundred fifty-one billion, one hundred thirty-two million, thirty-one thousand, one hundred forty-four".