142957017 has 12 divisors (see below), whose sum is σ = 235992640. Its totient is φ = 81689688.

The previous prime is 142956997. The next prime is 142957019. The reversal of 142957017 is 710759241.

It is a happy number.

It is not a de Polignac number, because 142957017 - 2⁷ = 142956889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142957019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1134517 + ... + 1134642.

Almost surely, 2^142957017 is an apocalyptic number.

It is an amenable number.

142957017 is a deficient number, since it is larger than the sum of its proper divisors (93035623).

142957017 is a wasteful number, since it uses less digits than its factorization.

142957017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2269172 (or 2269169 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 36.

The square root of 142957017 is about 11956.4633985138. The cubic root of 142957017 is about 522.8797535365.

It can be divided in two parts, 14295 and 7017, that added together give a palindrome (21312).

The spelling of 142957017 in words is "one hundred forty-two million, nine hundred fifty-seven thousand, seventeen".