142156712 has 16 divisors (see below), whose sum is σ = 268904340. Its totient is φ = 70448896.

The previous prime is 142156711. The next prime is 142156733. The reversal of 142156712 is 217651241.

It can be written as a sum of positive squares in 2 ways, for example, as 91661476 + 50495236 = 9574^2 + 7106^2 .

It is not an unprimeable number, because it can be changed into a prime (142156711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77723 + ... + 79530.

Almost surely, 2^142156712 is an apocalyptic number.

It is an amenable number.

142156712 is a deficient number, since it is larger than the sum of its proper divisors (126747628).

142156712 is a wasteful number, since it uses less digits than its factorization.

142156712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157372 (or 157368 counting only the distinct ones).

The product of its digits is 3360, while the sum is 29.

The square root of 142156712 is about 11922.9489640776. The cubic root of 142156712 is about 521.9021948944.

The spelling of 142156712 in words is "one hundred forty-two million, one hundred fifty-six thousand, seven hundred twelve".