1451343664 has 20 divisors (see below), whose sum is σ = 2814656656. Its totient is φ = 724980672.

The previous prime is 1451343643. The next prime is 1451343739. The reversal of 1451343664 is 4663431541.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25659 + ... + 59674.

Almost surely, 2^1451343664 is an apocalyptic number.

It is an amenable number.

1451343664 is a deficient number, since it is larger than the sum of its proper divisors (1363312992).

1451343664 is a wasteful number, since it uses less digits than its factorization.

1451343664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86404 (or 86398 counting only the distinct ones).

The product of its digits is 103680, while the sum is 37.

The square root of 1451343664 is about 38096.5046165655. The cubic root of 1451343664 is about 1132.2007035908.

The spelling of 1451343664 in words is "one billion, four hundred fifty-one million, three hundred forty-three thousand, six hundred sixty-four".