142645322 has 8 divisors (see below), whose sum is σ = 220870272. Its totient is φ = 69021900.

The previous prime is 142645309. The next prime is 142645339. The reversal of 142645322 is 223546241.

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

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, 1150304 + ... + 1150427.

It is an arithmetic number, because the mean of its divisors is an integer number (27608784).

Almost surely, 2^142645322 is an apocalyptic number.

142645322 is a deficient number, since it is larger than the sum of its proper divisors (78224950).

142645322 is a wasteful number, since it uses less digits than its factorization.

142645322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2300764.

The product of its digits is 11520, while the sum is 29.

The square root of 142645322 is about 11943.4217040177. The cubic root of 142645322 is about 522.4994583452.

The spelling of 142645322 in words is "one hundred forty-two million, six hundred forty-five thousand, three hundred twenty-two".