142876957 has 2 divisors, whose sum is σ = 142876958. Its totient is φ = 142876956.

The previous prime is 142876949. The next prime is 142876969. The reversal of 142876957 is 759678241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 141824281 + 1052676 = 11909^2 + 1026^2 .

It is a cyclic number.

It is not a de Polignac number, because 142876957 - 2³ = 142876949 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142876957.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142876927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71438478 + 71438479.

It is an arithmetic number, because the mean of its divisors is an integer number (71438479).

Almost surely, 2^142876957 is an apocalyptic number.

It is an amenable number.

142876957 is a deficient number, since it is larger than the sum of its proper divisors (1).

142876957 is an equidigital number, since it uses as much as digits as its factorization.

142876957 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 846720, while the sum is 49.

The square root of 142876957 is about 11953.1149496690. The cubic root of 142876957 is about 522.7821261261.

The spelling of 142876957 in words is "one hundred forty-two million, eight hundred seventy-six thousand, nine hundred fifty-seven".