142709960 has 32 divisors (see below), whose sum is σ = 323949240. Its totient is φ = 56577024.

The previous prime is 142709911. The next prime is 142709981. The reversal of 142709960 is 69907241.

142709960 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 66357316 + 76352644 = 8146^2 + 8738^2 .

It is a super-2 number, since 2×142709960² = 40732265366403200, which contains 22 as substring.

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, 11267 + ... + 20306.

Almost surely, 2^142709960 is an apocalyptic number.

142709960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142709960 is an abundant number, since it is smaller than the sum of its proper divisors (181239280).

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

142709960 is a wasteful number, since it uses less digits than its factorization.

142709960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31697 (or 31693 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 142709960 is about 11946.1274059839. The cubic root of 142709960 is about 522.5783678612.

The spelling of 142709960 in words is "one hundred forty-two million, seven hundred nine thousand, nine hundred sixty".