1457214979 has 24 divisors (see below), whose sum is σ = 1683843840. Its totient is φ = 1257693360.

The previous prime is 1457214943. The next prime is 1457214991. The reversal of 1457214979 is 9794127541.

It is not a de Polignac number, because 1457214979 - 2⁹ = 1457214467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1457214079) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 384954 + ... + 388720.

It is an arithmetic number, because the mean of its divisors is an integer number (70160160).

Almost surely, 2^1457214979 is an apocalyptic number.

1457214979 is a deficient number, since it is larger than the sum of its proper divisors (226628861).

1457214979 is a wasteful number, since it uses less digits than its factorization.

1457214979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3951 (or 3940 counting only the distinct ones).

The product of its digits is 635040, while the sum is 49.

The square root of 1457214979 is about 38173.4852875658. The cubic root of 1457214979 is about 1133.7253971590.

The spelling of 1457214979 in words is "one billion, four hundred fifty-seven million, two hundred fourteen thousand, nine hundred seventy-nine".