142499976 has 16 divisors (see below), whose sum is σ = 356250000. Its totient is φ = 47499984.

The previous prime is 142499957. The next prime is 142499977. The reversal of 142499976 is 679994241.

It is a happy number.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (142499977) by changing a digit.

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, 2968726 + ... + 2968773.

It is an arithmetic number, because the mean of its divisors is an integer number (22265625).

Almost surely, 2^142499976 is an apocalyptic number.

It is an amenable number.

142499976 is an abundant number, since it is smaller than the sum of its proper divisors (213750024).

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

142499976 is a wasteful number, since it uses less digits than its factorization.

142499976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5937508 (or 5937504 counting only the distinct ones).

The product of its digits is 979776, while the sum is 51.

The square root of 142499976 is about 11937.3353810639. The cubic root of 142499976 is about 522.3219340878.

The spelling of 142499976 in words is "one hundred forty-two million, four hundred ninety-nine thousand, nine hundred seventy-six".