461498157 has 6 divisors (see below), whose sum is σ = 666608462. Its totient is φ = 307665432.

The previous prime is 461498143. The next prime is 461498159. The reversal of 461498157 is 751894164.

461498157 is a `hidden beast` number, since 4 + 6 + 1 + 498 + 157 = 666.

It can be written as a sum of positive squares in only one way, i.e., 370601001 + 90897156 = 19251^2 + 9534^2 .

It is not a de Polignac number, because 461498157 - 2¹¹ = 461496109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (461498159) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25638778 + ... + 25638795.

Almost surely, 2^461498157 is an apocalyptic number.

It is an amenable number.

461498157 is a deficient number, since it is larger than the sum of its proper divisors (205110305).

461498157 is a wasteful number, since it uses less digits than its factorization.

461498157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51277579 (or 51277576 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 461498157 is about 21482.5081636200. The cubic root of 461498157 is about 772.7813937000.

The spelling of 461498157 in words is "four hundred sixty-one million, four hundred ninety-eight thousand, one hundred fifty-seven".