142764560 has 20 divisors (see below), whose sum is σ = 331927788. Its totient is φ = 57105792.

The previous prime is 142764551. The next prime is 142764571. The reversal of 142764560 is 65467241.

It can be written as a sum of positive squares in 2 ways, for example, as 103876864 + 38887696 = 10192^2 + 6236^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 142764560.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 892199 + ... + 892358.

Almost surely, 2^142764560 is an apocalyptic number.

142764560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142764560 is an abundant number, since it is smaller than the sum of its proper divisors (189163228).

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

142764560 is a wasteful number, since it uses less digits than its factorization.

142764560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1784570 (or 1784564 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 142764560 is about 11948.4124468483. The cubic root of 142764560 is about 522.6450045108.

The spelling of 142764560 in words is "one hundred forty-two million, seven hundred sixty-four thousand, five hundred sixty".