1451132664 has 32 divisors (see below), whose sum is σ = 3632669520. Its totient is φ = 483065856.

The previous prime is 1451132659. The next prime is 1451132681. The reversal of 1451132664 is 4662311541.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21769 + ... + 58104.

Almost surely, 2^1451132664 is an apocalyptic number.

It is an amenable number.

1451132664 is an abundant number, since it is smaller than the sum of its proper divisors (2181536856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1451132664 is a wasteful number, since it uses less digits than its factorization.

1451132664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80639 (or 80635 counting only the distinct ones).

The product of its digits is 17280, while the sum is 33.

The square root of 1451132664 is about 38093.7352329750. The cubic root of 1451132664 is about 1132.1458335343.

The spelling of 1451132664 in words is "one billion, four hundred fifty-one million, one hundred thirty-two thousand, six hundred sixty-four".