142711065 has 80 divisors (see below), whose sum is σ = 296904960. Its totient is φ = 64229760.

The previous prime is 142711057. The next prime is 142711097. The reversal of 142711065 is 560117241.

It is a happy number.

It is not a de Polignac number, because 142711065 - 2³ = 142711057 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 200931 + ... + 201639.

It is an arithmetic number, because the mean of its divisors is an integer number (3711312).

Almost surely, 2^142711065 is an apocalyptic number.

142711065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

142711065 is an abundant number, since it is smaller than the sum of its proper divisors (154193895).

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

142711065 is an equidigital number, since it uses as much as digits as its factorization.

142711065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 804 (or 795 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 142711065 is about 11946.1736551919. The cubic root of 142711065 is about 522.5797166285.

The spelling of 142711065 in words is "one hundred forty-two million, seven hundred eleven thousand, sixty-five".