142637957 has 16 divisors (see below), whose sum is σ = 179604864. Its totient is φ = 110040000.

The previous prime is 142637953. The next prime is 142637969. The reversal of 142637957 is 759736241.

It is not a de Polignac number, because 142637957 - 2² = 142637953 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142637951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1394 + ... + 16947.

It is an arithmetic number, because the mean of its divisors is an integer number (11225304).

Almost surely, 2^142637957 is an apocalyptic number.

It is an amenable number.

142637957 is a deficient number, since it is larger than the sum of its proper divisors (36966907).

142637957 is a wasteful number, since it uses less digits than its factorization.

142637957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18460.

The product of its digits is 317520, while the sum is 44.

The square root of 142637957 is about 11943.1133713115. The cubic root of 142637957 is about 522.4904657036.

The spelling of 142637957 in words is "one hundred forty-two million, six hundred thirty-seven thousand, nine hundred fifty-seven".