1456859642 has 64 divisors (see below), whose sum is σ = 2727696384. Its totient is φ = 569333760.

The previous prime is 1456859639. The next prime is 1456859671. The reversal of 1456859642 is 2469586541.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 1687703 + ... + 1688565.

It is an arithmetic number, because the mean of its divisors is an integer number (42620256).

Almost surely, 2^1456859642 is an apocalyptic number.

1456859642 is a deficient number, since it is larger than the sum of its proper divisors (1270836742).

1456859642 is a wasteful number, since it uses less digits than its factorization.

1456859642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1103.

The product of its digits is 2073600, while the sum is 50.

The square root of 1456859642 is about 38168.8307654295. The cubic root of 1456859642 is about 1133.6332379520.

The spelling of 1456859642 in words is "one billion, four hundred fifty-six million, eight hundred fifty-nine thousand, six hundred forty-two".