142976 has 16 divisors (see below), whose sum is σ = 285090. Its totient is φ = 71424.

The previous prime is 142973. The next prime is 142979. The reversal of 142976 is 679241.

It is an interprime number because it is at equal distance from previous prime (142973) and next prime (142979).

It can be written as a sum of positive squares in only one way, i.e., 141376 + 1600 = 376^2 + 40^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a cake number, because a cake can be divided into 142976 parts by 95 planar cuts.

It is not an unprimeable number, because it can be changed into a prime (142973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 431 + ... + 686.

2¹⁴²⁹⁷⁶ is an apocalyptic number.

142976 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

142976 is a deficient number, since it is larger than the sum of its proper divisors (142114).

142976 is an equidigital number, since it uses as much as digits as its factorization.

142976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1131 (or 1119 counting only the distinct ones).

The product of its digits is 3024, while the sum is 29.

The square root of 142976 is about 378.1216735391. The cubic root of 142976 is about 52.2902896593.

The spelling of 142976 in words is "one hundred forty-two thousand, nine hundred seventy-six".