142381292 has 12 divisors (see below), whose sum is σ = 249264960. Its totient is φ = 71162736.

The previous prime is 142381289. The next prime is 142381303. The reversal of 142381292 is 292183241.

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 3 ways as a sum of consecutive naturals, for example, 8138 + ... + 18734.

It is an arithmetic number, because the mean of its divisors is an integer number (20772080).

Almost surely, 2^142381292 is an apocalyptic number.

It is an amenable number.

142381292 is a deficient number, since it is larger than the sum of its proper divisors (106883668).

142381292 is a wasteful number, since it uses less digits than its factorization.

142381292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13960 (or 13958 counting only the distinct ones).

The product of its digits is 6912, while the sum is 32.

The square root of 142381292 is about 11932.3632194130. The cubic root of 142381292 is about 522.1768850000.

The spelling of 142381292 in words is "one hundred forty-two million, three hundred eighty-one thousand, two hundred ninety-two".