142994028 has 24 divisors (see below), whose sum is σ = 333911088. Its totient is φ = 47627776.

The previous prime is 142994017. The next prime is 142994039. The reversal of 142994028 is 820499241.

142994028 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (142994017) and next prime (142994039).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14800 + ... + 22472.

It is an arithmetic number, because the mean of its divisors is an integer number (13912962).

Almost surely, 2^142994028 is an apocalyptic number.

It is an amenable number.

142994028 is an abundant number, since it is smaller than the sum of its proper divisors (190917060).

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

142994028 is a wasteful number, since it uses less digits than its factorization.

142994028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9233 (or 9231 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 142994028 is about 11958.0110386301. The cubic root of 142994028 is about 522.9248734686.

The spelling of 142994028 in words is "one hundred forty-two million, nine hundred ninety-four thousand, twenty-eight".