142266660 has 24 divisors (see below), whose sum is σ = 398346816. Its totient is φ = 37937760.

The previous prime is 142266653. The next prime is 142266673. The reversal of 142266660 is 66662241.

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, 1185496 + ... + 1185615.

It is an arithmetic number, because the mean of its divisors is an integer number (16597784).

Almost surely, 2^142266660 is an apocalyptic number.

142266660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142266660 is an abundant number, since it is smaller than the sum of its proper divisors (256080156).

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

142266660 is a wasteful number, since it uses less digits than its factorization.

142266660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2371123 (or 2371121 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 142266660 is about 11927.5588449607. The cubic root of 142266660 is about 522.0367115004.

The spelling of 142266660 in words is "one hundred forty-two million, two hundred sixty-six thousand, six hundred sixty".