1457212918 has 16 divisors (see below), whose sum is σ = 2511027360. Its totient is φ = 621282816.

The previous prime is 1457212903. The next prime is 1457212937. The reversal of 1457212918 is 8192127541.

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, 266953 + ... + 272356.

It is an arithmetic number, because the mean of its divisors is an integer number (156939210).

Almost surely, 2^1457212918 is an apocalyptic number.

1457212918 is a deficient number, since it is larger than the sum of its proper divisors (1053814442).

1457212918 is a wasteful number, since it uses less digits than its factorization.

1457212918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539511.

The product of its digits is 40320, while the sum is 40.

The square root of 1457212918 is about 38173.4582923790. The cubic root of 1457212918 is about 1133.7248626670.

The spelling of 1457212918 in words is "one billion, four hundred fifty-seven million, two hundred twelve thousand, nine hundred eighteen".