142157716 has 24 divisors (see below), whose sum is σ = 252120960. Its totient is φ = 70128672.

The previous prime is 142157711. The next prime is 142157731. The reversal of 142157716 is 617751241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142157711) 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, 159825 + ... + 160711.

It is an arithmetic number, because the mean of its divisors is an integer number (10505040).

Almost surely, 2^142157716 is an apocalyptic number.

It is an amenable number.

142157716 is a deficient number, since it is larger than the sum of its proper divisors (109963244).

142157716 is a wasteful number, since it uses less digits than its factorization.

142157716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1383 (or 1381 counting only the distinct ones).

The product of its digits is 11760, while the sum is 34.

The square root of 142157716 is about 11922.9910676810. The cubic root of 142157716 is about 521.9034235586.

The spelling of 142157716 in words is "one hundred forty-two million, one hundred fifty-seven thousand, seven hundred sixteen".