1457805172 has 24 divisors (see below), whose sum is σ = 2687363840. Its totient is φ = 690042240.

The previous prime is 1457805169. The next prime is 1457805179. The reversal of 1457805172 is 2715087541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1457805179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112972 + ... + 125212.

Almost surely, 2^1457805172 is an apocalyptic number.

It is an amenable number.

1457805172 is a deficient number, since it is larger than the sum of its proper divisors (1229558668).

1457805172 is a wasteful number, since it uses less digits than its factorization.

1457805172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13831 (or 13829 counting only the distinct ones).

The product of its (nonzero) digits is 78400, while the sum is 40.

The square root of 1457805172 is about 38181.2149099528. The cubic root of 1457805172 is about 1133.8784348575.

The spelling of 1457805172 in words is "one billion, four hundred fifty-seven million, eight hundred five thousand, one hundred seventy-two".