142945579 has 8 divisors (see below), whose sum is σ = 163439360. Its totient is φ = 122470056.

The previous prime is 142945577. The next prime is 142945589. The reversal of 142945579 is 975549241.

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

It is a cyclic number.

It is not a de Polignac number, because 142945579 - 2¹ = 142945577 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142945577) 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, 25012 + ... + 30190.

It is an arithmetic number, because the mean of its divisors is an integer number (20429920).

Almost surely, 2^142945579 is an apocalyptic number.

142945579 is a deficient number, since it is larger than the sum of its proper divisors (20493781).

142945579 is an equidigital number, since it uses as much as digits as its factorization.

142945579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9129.

The product of its digits is 453600, while the sum is 46.

The square root of 142945579 is about 11955.9850702483. The cubic root of 142945579 is about 522.8658079505.

The spelling of 142945579 in words is "one hundred forty-two million, nine hundred forty-five thousand, five hundred seventy-nine".