142366646 has 8 divisors (see below), whose sum is σ = 217169640. Its totient is φ = 69976768.

The previous prime is 142366633. The next prime is 142366681. The reversal of 142366646 is 646663241.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 603131 + ... + 603366.

It is an arithmetic number, because the mean of its divisors is an integer number (27146205).

Almost surely, 2^142366646 is an apocalyptic number.

142366646 is a deficient number, since it is larger than the sum of its proper divisors (74802994).

142366646 is a wasteful number, since it uses less digits than its factorization.

142366646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1206558.

The product of its digits is 124416, while the sum is 38.

The square root of 142366646 is about 11931.7494945209. The cubic root of 142366646 is about 522.1589798740.

The spelling of 142366646 in words is "one hundred forty-two million, three hundred sixty-six thousand, six hundred forty-six".