431143146 has 48 divisors (see below), whose sum is σ = 1068747264. Its totient is φ = 123050592.

The previous prime is 431143127. The next prime is 431143187. The reversal of 431143146 is 641341134.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 228760 + ... + 230636.

It is an arithmetic number, because the mean of its divisors is an integer number (22265568).

Almost surely, 2^431143146 is an apocalyptic number.

431143146 is an abundant number, since it is smaller than the sum of its proper divisors (637604118).

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

431143146 is a wasteful number, since it uses less digits than its factorization.

431143146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3715 (or 3712 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 431143146 is about 20763.9867559195. The cubic root of 431143146 is about 755.4524989469.

The spelling of 431143146 in words is "four hundred thirty-one million, one hundred forty-three thousand, one hundred forty-six".