142701057 has 12 divisors (see below), whose sum is σ = 208948324. Its totient is φ = 93830400.

The previous prime is 142701019. The next prime is 142701059. The reversal of 142701057 is 750107241.

It can be written as a sum of positive squares in 2 ways, for example, as 26255376 + 116445681 = 5124^2 + 10791^2 .

It is not a de Polignac number, because 142701057 - 2⁸ = 142700801 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 142701057.

It is not an unprimeable number, because it can be changed into a prime (142701059) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 107944 + ... + 109257.

Almost surely, 2^142701057 is an apocalyptic number.

It is an amenable number.

142701057 is a deficient number, since it is larger than the sum of its proper divisors (66247267).

142701057 is a wasteful number, since it uses less digits than its factorization.

142701057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217280 (or 217277 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 27.

The square root of 142701057 is about 11945.7547689545. The cubic root of 142701057 is about 522.5675005702.

Adding to 142701057 its reverse (750107241), we get a palindrome (892808298).

The spelling of 142701057 in words is "one hundred forty-two million, seven hundred one thousand, fifty-seven".