142307874 has 16 divisors (see below), whose sum is σ = 316239840. Its totient is φ = 47435940.

The previous prime is 142307873. The next prime is 142307909. The reversal of 142307874 is 478703241.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (142307873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1317612 + ... + 1317719.

It is an arithmetic number, because the mean of its divisors is an integer number (19764990).

Almost surely, 2^142307874 is an apocalyptic number.

142307874 is an abundant number, since it is smaller than the sum of its proper divisors (173931966).

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

142307874 is a wasteful number, since it uses less digits than its factorization.

142307874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2635342 (or 2635336 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 142307874 is about 11929.2863994457. The cubic root of 142307874 is about 522.0871171816.

The spelling of 142307874 in words is "one hundred forty-two million, three hundred seven thousand, eight hundred seventy-four".