461143788 has 24 divisors (see below), whose sum is σ = 1229716992. Its totient is φ = 131755344.

The previous prime is 461143747. The next prime is 461143801. The reversal of 461143788 is 887341164.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2744820 + ... + 2744987.

It is an arithmetic number, because the mean of its divisors is an integer number (51238208).

Almost surely, 2^461143788 is an apocalyptic number.

It is an amenable number.

461143788 is an abundant number, since it is smaller than the sum of its proper divisors (768573204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

461143788 is a wasteful number, since it uses less digits than its factorization.

461143788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5489821 (or 5489819 counting only the distinct ones).

The product of its digits is 129024, while the sum is 42.

The square root of 461143788 is about 21474.2587299306. The cubic root of 461143788 is about 772.5835453887.

The spelling of 461143788 in words is "four hundred sixty-one million, one hundred forty-three thousand, seven hundred eighty-eight".