142252744 has 16 divisors (see below), whose sum is σ = 267790320. Its totient is φ = 70842000.

The previous prime is 142252741. The next prime is 142252777. The reversal of 142252744 is 447252241.

It is not an unprimeable number, because it can be changed into a prime (142252741) 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 3 ways as a sum of consecutive naturals, for example, 33414 + ... + 37429.

It is an arithmetic number, because the mean of its divisors is an integer number (16736895).

Almost surely, 2^142252744 is an apocalyptic number.

It is an amenable number.

142252744 is a deficient number, since it is larger than the sum of its proper divisors (125537576).

142252744 is a wasteful number, since it uses less digits than its factorization.

142252744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71100 (or 71096 counting only the distinct ones).

The product of its digits is 17920, while the sum is 31.

The square root of 142252744 is about 11926.9754757860. The cubic root of 142252744 is about 522.0196897101.

The spelling of 142252744 in words is "one hundred forty-two million, two hundred fifty-two thousand, seven hundred forty-four".