142661560 has 16 divisors (see below), whose sum is σ = 320988600. Its totient is φ = 57064608.

The previous prime is 142661551. The next prime is 142661567. The reversal of 142661560 is 65166241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142661567) 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, 1783230 + ... + 1783309.

Almost surely, 2^142661560 is an apocalyptic number.

142661560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142661560 is an abundant number, since it is smaller than the sum of its proper divisors (178327040).

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

142661560 is a wasteful number, since it uses less digits than its factorization.

142661560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3566550 (or 3566546 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 142661560 is about 11944.1014731122. The cubic root of 142661560 is about 522.5192837980.

The spelling of 142661560 in words is "one hundred forty-two million, six hundred sixty-one thousand, five hundred sixty".