142675731 has 48 divisors (see below), whose sum is σ = 239316480. Its totient is φ = 81000000.

The previous prime is 142675711. The next prime is 142675751. The reversal of 142675731 is 137576241.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (142675711) and next prime (142675751).

It is not a de Polignac number, because 142675731 - 2⁶ = 142675667 is a prime.

It is a super-2 number, since 2×142675731² = 40712728432768722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (142675711) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 189606 + ... + 190356.

It is an arithmetic number, because the mean of its divisors is an integer number (4985760).

Almost surely, 2^142675731 is an apocalyptic number.

142675731 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

142675731 is a deficient number, since it is larger than the sum of its proper divisors (96640749).

142675731 is a wasteful number, since it uses less digits than its factorization.

142675731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 888 (or 885 counting only the distinct ones).

The product of its digits is 35280, while the sum is 36.

The square root of 142675731 is about 11944.6946800661. The cubic root of 142675731 is about 522.5365843602.

The spelling of 142675731 in words is "one hundred forty-two million, six hundred seventy-five thousand, seven hundred thirty-one".