142199952 has 40 divisors (see below), whose sum is σ = 386686560. Its totient is φ = 44904960.

The previous prime is 142199923. The next prime is 142199977. The reversal of 142199952 is 259991241.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77049 + ... + 78872.

It is an arithmetic number, because the mean of its divisors is an integer number (9667164).

Almost surely, 2^142199952 is an apocalyptic number.

142199952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

142199952 is an abundant number, since it is smaller than the sum of its proper divisors (244486608).

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

142199952 is a wasteful number, since it uses less digits than its factorization.

142199952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155951 (or 155945 counting only the distinct ones).

The product of its digits is 58320, while the sum is 42.

The square root of 142199952 is about 11924.7621359925. The cubic root of 142199952 is about 521.9551054298.

The spelling of 142199952 in words is "one hundred forty-two million, one hundred ninety-nine thousand, nine hundred fifty-two".