312744142 has 8 divisors (see below), whose sum is σ = 493806600. Its totient is φ = 148141944.

The previous prime is 312744127. The next prime is 312744163. The reversal of 312744142 is 241447213.

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

It is a self number, because there is not a number n which added to its sum of digits gives 312744142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4115017 + ... + 4115092.

It is an arithmetic number, because the mean of its divisors is an integer number (61725825).

Almost surely, 2^312744142 is an apocalyptic number.

312744142 is a deficient number, since it is larger than the sum of its proper divisors (181062458).

312744142 is a wasteful number, since it uses less digits than its factorization.

312744142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8230130.

The product of its digits is 5376, while the sum is 28.

The square root of 312744142 is about 17684.5735600268. The cubic root of 312744142 is about 678.7810790396.

The spelling of 312744142 in words is "three hundred twelve million, seven hundred forty-four thousand, one hundred forty-two".