142245339 has 8 divisors (see below), whose sum is σ = 189725760. Its totient is φ = 94797576.

The previous prime is 142245287. The next prime is 142245349. The reversal of 142245339 is 933542241.

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

It is not a de Polignac number, because 142245339 - 2⁷ = 142245211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142245349) 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, 5064 + ... + 17610.

It is an arithmetic number, because the mean of its divisors is an integer number (23715720).

Almost surely, 2^142245339 is an apocalyptic number.

142245339 is a deficient number, since it is larger than the sum of its proper divisors (47480421).

142245339 is a wasteful number, since it uses less digits than its factorization.

142245339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16329.

The product of its digits is 25920, while the sum is 33.

The square root of 142245339 is about 11926.6650409911. The cubic root of 142245339 is about 522.0106316004.

The spelling of 142245339 in words is "one hundred forty-two million, two hundred forty-five thousand, three hundred thirty-nine".