142976408 has 16 divisors (see below), whose sum is σ = 270736560. Its totient is φ = 70780000.

The previous prime is 142976363. The next prime is 142976437. The reversal of 142976408 is 804679241.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87668 + ... + 89283.

It is an arithmetic number, because the mean of its divisors is an integer number (16921035).

Almost surely, 2^142976408 is an apocalyptic number.

It is an amenable number.

142976408 is a deficient number, since it is larger than the sum of its proper divisors (127760152).

142976408 is a wasteful number, since it uses less digits than its factorization.

142976408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177058 (or 177054 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 142976408 is about 11957.2742713379. The cubic root of 142976408 is about 522.9033939824.

The spelling of 142976408 in words is "one hundred forty-two million, nine hundred seventy-six thousand, four hundred eight".