461557142 has 4 divisors (see below), whose sum is σ = 692335716. Its totient is φ = 230778570.

The previous prime is 461557133. The next prime is 461557153. The reversal of 461557142 is 241755164.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115389284 + ... + 115389287.

It is an arithmetic number, because the mean of its divisors is an integer number (173083929).

Almost surely, 2^461557142 is an apocalyptic number.

461557142 is a deficient number, since it is larger than the sum of its proper divisors (230778574).

461557142 is a wasteful number, since it uses less digits than its factorization.

461557142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230778573.

The product of its digits is 33600, while the sum is 35.

The square root of 461557142 is about 21483.8809808656. The cubic root of 461557142 is about 772.8143158745.

The spelling of 461557142 in words is "four hundred sixty-one million, five hundred fifty-seven thousand, one hundred forty-two".