451132465 has 32 divisors (see below), whose sum is σ = 658828800. Its totient is φ = 295872192.

The previous prime is 451132457. The next prime is 451132477. The reversal of 451132465 is 564231154.

It is a happy number.

It is not a de Polignac number, because 451132465 - 2³ = 451132457 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33727 + ... + 45163.

It is an arithmetic number, because the mean of its divisors is an integer number (20588400).

Almost surely, 2^451132465 is an apocalyptic number.

It is an amenable number.

451132465 is a deficient number, since it is larger than the sum of its proper divisors (207696335).

451132465 is a wasteful number, since it uses less digits than its factorization.

451132465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11486 (or 11472 counting only the distinct ones).

The product of its digits is 14400, while the sum is 31.

The square root of 451132465 is about 21239.8791192417. The cubic root of 451132465 is about 766.9517225021.

The spelling of 451132465 in words is "four hundred fifty-one million, one hundred thirty-two thousand, four hundred sixty-five".