142677057 has 8 divisors (see below), whose sum is σ = 192373920. Its totient is φ = 94049120.

The previous prime is 142677049. The next prime is 142677091. The reversal of 142677057 is 750776241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 142677057 - 2³ = 142677049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142677037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 266919 + ... + 267452.

It is an arithmetic number, because the mean of its divisors is an integer number (24046740).

Almost surely, 2^142677057 is an apocalyptic number.

It is an amenable number.

142677057 is a deficient number, since it is larger than the sum of its proper divisors (49696863).

142677057 is an equidigital number, since it uses as much as digits as its factorization.

142677057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534463.

The product of its (nonzero) digits is 82320, while the sum is 39.

The square root of 142677057 is about 11944.7501857511. The cubic root of 142677057 is about 522.5382031391.

The spelling of 142677057 in words is "one hundred forty-two million, six hundred seventy-seven thousand, fifty-seven".