312245142 has 16 divisors (see below), whose sum is σ = 681262272. Its totient is φ = 94619720.

The previous prime is 312245123. The next prime is 312245159. The reversal of 312245142 is 241542213.

It is a congruent number.

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, 2365428 + ... + 2365559.

It is an arithmetic number, because the mean of its divisors is an integer number (42578892).

Almost surely, 2^312245142 is an apocalyptic number.

312245142 is an abundant number, since it is smaller than the sum of its proper divisors (369017130).

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

312245142 is a wasteful number, since it uses less digits than its factorization.

312245142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4731003.

The product of its digits is 1920, while the sum is 24.

The square root of 312245142 is about 17670.4595865529. The cubic root of 312245142 is about 678.4198763640.

Adding to 312245142 its reverse (241542213), we get a palindrome (553787355).

The spelling of 312245142 in words is "three hundred twelve million, two hundred forty-five thousand, one hundred forty-two".