142865601 has 8 divisors (see below), whose sum is σ = 190665504. Its totient is φ = 95154720.

The previous prime is 142865563. The next prime is 142865623. The reversal of 142865601 is 106568241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 142865601 - 2¹⁸ = 142603457 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (142861601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18415 + ... + 24996.

It is an arithmetic number, because the mean of its divisors is an integer number (23833188).

Almost surely, 2^142865601 is an apocalyptic number.

It is an amenable number.

142865601 is a deficient number, since it is larger than the sum of its proper divisors (47799903).

142865601 is a wasteful number, since it uses less digits than its factorization.

142865601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44511.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 142865601 is about 11952.6399176082. The cubic root of 142865601 is about 522.7682753479.

The spelling of 142865601 in words is "one hundred forty-two million, eight hundred sixty-five thousand, six hundred one".