1457445716 has 12 divisors (see below), whose sum is σ = 2574367488. Its totient is φ = 721912152.

The previous prime is 1457445709. The next prime is 1457445739. The reversal of 1457445716 is 6175447541.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1702196 + ... + 1703051.

It is an arithmetic number, because the mean of its divisors is an integer number (214530624).

Almost surely, 2^1457445716 is an apocalyptic number.

It is an amenable number.

1457445716 is a deficient number, since it is larger than the sum of its proper divisors (1116921772).

1457445716 is a wasteful number, since it uses less digits than its factorization.

1457445716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3405358 (or 3405356 counting only the distinct ones).

The product of its digits is 470400, while the sum is 44.

The square root of 1457445716 is about 38176.5073834682. The cubic root of 1457445716 is about 1133.7852324373.

The spelling of 1457445716 in words is "one billion, four hundred fifty-seven million, four hundred forty-five thousand, seven hundred sixteen".