142838976 has 56 divisors (see below), whose sum is σ = 431921920. Its totient is φ = 40810752.

The previous prime is 142838963. The next prime is 142838989. The reversal of 142838976 is 679838241.

It is an interprime number because it is at equal distance from previous prime (142838963) and next prime (142838989).

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51796 + ... + 54483.

Almost surely, 2^142838976 is an apocalyptic number.

142838976 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

142838976 is an abundant number, since it is smaller than the sum of its proper divisors (289082944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142838976 is a wasteful number, since it uses less digits than its factorization.

142838976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106301 (or 106291 counting only the distinct ones).

The product of its digits is 580608, while the sum is 48.

The square root of 142838976 is about 11951.5260950223. The cubic root of 142838976 is about 522.7357982740.

It can be divided in two parts, 1428 and 38976, that added together give a palindrome (40404).

The spelling of 142838976 in words is "one hundred forty-two million, eight hundred thirty-eight thousand, nine hundred seventy-six".