142268877 has 12 divisors (see below), whose sum is σ = 208394784. Its totient is φ = 93509640.

The previous prime is 142268857. The next prime is 142268879. The reversal of 142268877 is 778862241.

It is not a de Polignac number, because 142268877 - 2²⁴ = 125491661 is a prime.

It is a super-2 number, since 2×142268877² = 40480866725682258, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142268879) 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, 110683 + ... + 111960.

It is an arithmetic number, because the mean of its divisors is an integer number (17366232).

Almost surely, 2^142268877 is an apocalyptic number.

It is an amenable number.

142268877 is a deficient number, since it is larger than the sum of its proper divisors (66125907).

142268877 is a wasteful number, since it uses less digits than its factorization.

142268877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222720 (or 222717 counting only the distinct ones).

The product of its digits is 301056, while the sum is 45.

The square root of 142268877 is about 11927.6517806314. The cubic root of 142268877 is about 522.0394231907.

The spelling of 142268877 in words is "one hundred forty-two million, two hundred sixty-eight thousand, eight hundred seventy-seven".