142712065 has 16 divisors (see below), whose sum is σ = 178421760. Its totient is φ = 109460160.

The previous prime is 142712057. The next prime is 142712081. The reversal of 142712065 is 560217241.

142712065 is a nontrivial binomial coefficient, being equal to C(16895, 2).

It is not a de Polignac number, because 142712065 - 2³ = 142712057 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12672 + ... + 21118.

It is an arithmetic number, because the mean of its divisors is an integer number (11151360).

Almost surely, 2^142712065 is an apocalyptic number.

142712065 is the 16894-th triangular number.

142712065 is the 5632-nd centered nonagonal number.

It is an amenable number.

142712065 is a deficient number, since it is larger than the sum of its proper divisors (35709695).

142712065 is a wasteful number, since it uses less digits than its factorization.

142712065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8592.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 142712065 is about 11946.2155095243. The cubic root of 142712065 is about 522.5809372265.

The spelling of 142712065 in words is "one hundred forty-two million, seven hundred twelve thousand, sixty-five".