142502660 has 48 divisors (see below), whose sum is σ = 325194240. Its totient is φ = 52254720.

The previous prime is 142502627. The next prime is 142502671. The reversal of 142502660 is 66205241.

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 15 ways as a sum of consecutive naturals, for example, 5732 + ... + 17828.

It is an arithmetic number, because the mean of its divisors is an integer number (6774880).

Almost surely, 2^142502660 is an apocalyptic number.

142502660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142502660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162597120).

142502660 is an abundant number, since it is smaller than the sum of its proper divisors (182691580).

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

142502660 is a wasteful number, since it uses less digits than its factorization.

142502660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12156 (or 12154 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 142502660 is about 11937.4478009330. The cubic root of 142502660 is about 522.3252133943.

The spelling of 142502660 in words is "one hundred forty-two million, five hundred two thousand, six hundred sixty".