142693660 has 12 divisors (see below), whose sum is σ = 299656728. Its totient is φ = 57077456.

The previous prime is 142693613. The next prime is 142693669. The reversal of 142693660 is 66396241.

It is a happy number.

It is a super-2 number, since 2×142693660² = 40722961208391200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142693669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3567322 + ... + 3567361.

It is an arithmetic number, because the mean of its divisors is an integer number (24971394).

Almost surely, 2^142693660 is an apocalyptic number.

142693660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142693660 is an abundant number, since it is smaller than the sum of its proper divisors (156963068).

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

142693660 is a wasteful number, since it uses less digits than its factorization.

142693660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7134692 (or 7134690 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 37.

The square root of 142693660 is about 11945.4451570463. The cubic root of 142693660 is about 522.5584712080.

The spelling of 142693660 in words is "one hundred forty-two million, six hundred ninety-three thousand, six hundred sixty".