142872299 has 8 divisors (see below), whose sum is σ = 149582160. Its totient is φ = 136281376.

The previous prime is 142872287. The next prime is 142872311. The reversal of 142872299 is 992278241.

It is an interprime number because it is at equal distance from previous prime (142872287) and next prime (142872311).

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 142872299 - 2⁴ = 142872283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142872209) 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, 27272 + ... + 32085.

It is an arithmetic number, because the mean of its divisors is an integer number (18697770).

Almost surely, 2^142872299 is an apocalyptic number.

142872299 is a deficient number, since it is larger than the sum of its proper divisors (6709861).

142872299 is an equidigital number, since it uses as much as digits as its factorization.

142872299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59469.

The product of its digits is 145152, while the sum is 44.

The square root of 142872299 is about 11952.9201034726. The cubic root of 142872299 is about 522.7764449077.

The spelling of 142872299 in words is "one hundred forty-two million, eight hundred seventy-two thousand, two hundred ninety-nine".