456157849 has 8 divisors (see below), whose sum is σ = 539300160. Its totient is φ = 377509776.

The previous prime is 456157843. The next prime is 456157853. The reversal of 456157849 is 948751654.

It is a happy number.

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

It is not a de Polignac number, because 456157849 - 2¹⁵ = 456125081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (456157843) 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, 1123339 + ... + 1123744.

It is an arithmetic number, because the mean of its divisors is an integer number (67412520).

Almost surely, 2^456157849 is an apocalyptic number.

It is an amenable number.

456157849 is a deficient number, since it is larger than the sum of its proper divisors (83142311).

456157849 is a wasteful number, since it uses less digits than its factorization.

456157849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2247119.

The product of its digits is 1209600, while the sum is 49.

The square root of 456157849 is about 21357.8521626122. The cubic root of 456157849 is about 769.7890291754.

The spelling of 456157849 in words is "four hundred fifty-six million, one hundred fifty-seven thousand, eight hundred forty-nine".