1457199957 has 8 divisors (see below), whose sum is σ = 1944069120. Its totient is φ = 970898720.

The previous prime is 1457199907. The next prime is 1457199959. The reversal of 1457199957 is 7599917541.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1457199957 - 2⁶ = 1457199893 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1457199897 and 1457199906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1457199959) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135957 + ... + 146282.

It is an arithmetic number, because the mean of its divisors is an integer number (243008640).

Almost surely, 2^1457199957 is an apocalyptic number.

It is an amenable number.

1457199957 is a deficient number, since it is larger than the sum of its proper divisors (486869163).

1457199957 is a wasteful number, since it uses less digits than its factorization.

1457199957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283963.

The product of its digits is 3572100, while the sum is 57.

The square root of 1457199957 is about 38173.2885274507. The cubic root of 1457199957 is about 1133.7215013986.

The spelling of 1457199957 in words is "one billion, four hundred fifty-seven million, one hundred ninety-nine thousand, nine hundred fifty-seven".