142366985 has 8 divisors (see below), whose sum is σ = 173641416. Its totient is φ = 112026240.

The previous prime is 142366969. The next prime is 142367021. The reversal of 142366985 is 589663241.

It can be written as a sum of positive squares in 4 ways, for example, as 9909904 + 132457081 = 3148^2 + 11509^2 .

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

It is not a de Polignac number, because 142366985 - 2⁴ = 142366969 is a prime.

It is a Duffinian 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, 233084 + ... + 233693.

It is an arithmetic number, because the mean of its divisors is an integer number (21705177).

Almost surely, 2^142366985 is an apocalyptic number.

It is an amenable number.

142366985 is a deficient number, since it is larger than the sum of its proper divisors (31274431).

142366985 is an equidigital number, since it uses as much as digits as its factorization.

142366985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466843.

The product of its digits is 311040, while the sum is 44.

The square root of 142366985 is about 11931.7637003085. The cubic root of 142366985 is about 522.1593943244.

The spelling of 142366985 in words is "one hundred forty-two million, three hundred sixty-six thousand, nine hundred eighty-five".