142666560 has 84 divisors (see below), whose sum is σ = 490723428. Its totient is φ = 38043648.

The previous prime is 142666547. The next prime is 142666583. The reversal of 142666560 is 65666241.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 58614336 + 84052224 = 7656^2 + 9168^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21889 + ... + 27648.

Almost surely, 2^142666560 is an apocalyptic number.

142666560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142666560 is an abundant number, since it is smaller than the sum of its proper divisors (348056868).

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

142666560 is a wasteful number, since it uses less digits than its factorization.

142666560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49560 (or 49547 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 142666560 is about 11944.3107796139. The cubic root of 142666560 is about 522.5253881424.

The spelling of 142666560 in words is "one hundred forty-two million, six hundred sixty-six thousand, five hundred sixty".