142199492 has 24 divisors (see below), whose sum is σ = 264085920. Its totient is φ = 66765440.

The previous prime is 142199467. The next prime is 142199507. The reversal of 142199492 is 294991241.

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, 31259 + ... + 35517.

It is an arithmetic number, because the mean of its divisors is an integer number (11003580).

Almost surely, 2^142199492 is an apocalyptic number.

It is an amenable number.

142199492 is a deficient number, since it is larger than the sum of its proper divisors (121886428).

142199492 is a wasteful number, since it uses less digits than its factorization.

142199492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4771 (or 4769 counting only the distinct ones).

The product of its digits is 46656, while the sum is 41.

The square root of 142199492 is about 11924.7428483804. The cubic root of 142199492 is about 521.9545426082.

The spelling of 142199492 in words is "one hundred forty-two million, one hundred ninety-nine thousand, four hundred ninety-two".