142499952 has 80 divisors (see below), whose sum is σ = 467470080. Its totient is φ = 40713408.

The previous prime is 142499923. The next prime is 142499953. The reversal of 142499952 is 259994241.

It is a junction number, because it is equal to n+sod(n) for n = 142499898 and 142499907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142499953) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20538 + ... + 26585.

It is an arithmetic number, because the mean of its divisors is an integer number (5843376).

Almost surely, 2^142499952 is an apocalyptic number.

142499952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

142499952 is an abundant number, since it is smaller than the sum of its proper divisors (324970128).

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

142499952 is a wasteful number, since it uses less digits than its factorization.

142499952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47147 (or 47135 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The square root of 142499952 is about 11937.3343758144. The cubic root of 142499952 is about 522.3219047645.

The spelling of 142499952 in words is "one hundred forty-two million, four hundred ninety-nine thousand, nine hundred fifty-two".