142660 has 24 divisors (see below), whose sum is σ = 342720. Its totient is φ = 48864.

The previous prime is 142657. The next prime is 142673. The reversal of 142660 is 66241.

142660 = T₁₁ + T₁₂ + ... + T₉₄.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 370 + ... + 649.

It is an arithmetic number, because the mean of its divisors is an integer number (14280).

2¹⁴²⁶⁶⁰ is an apocalyptic number.

142660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142660 is an abundant number, since it is smaller than the sum of its proper divisors (200060).

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

142660 is a wasteful number, since it uses less digits than its factorization.

142660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1035 (or 1033 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 142660 is about 377.7035874863. The cubic root of 142660 is about 52.2517379213.

The spelling of 142660 in words is "one hundred forty-two thousand, six hundred sixty".