142565120 has 72 divisors (see below), whose sum is σ = 344569344. Its totient is φ = 56512512.

The previous prime is 142565119. The next prime is 142565149. The reversal of 142565120 is 21565241.

142565120 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×142565120² = 40649626881228800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 142565120.

It is a congruent number.

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, 162122 + ... + 162998.

Almost surely, 2^142565120 is an apocalyptic number.

142565120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142565120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172284672).

142565120 is an abundant number, since it is smaller than the sum of its proper divisors (202004224).

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

142565120 is an equidigital number, since it uses as much as digits as its factorization.

142565120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025 (or 1011 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 142565120 is about 11940.0636514216. The cubic root of 142565120 is about 522.4015152857.

The spelling of 142565120 in words is "one hundred forty-two million, five hundred sixty-five thousand, one hundred twenty".