142966279 has 4 divisors (see below), whose sum is σ = 150490840. Its totient is φ = 135441720.

The previous prime is 142966267. The next prime is 142966297. The reversal of 142966279 is 972669241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 142966279 - 2²³ = 134577671 is a prime.

It is a super-2 number, since 2×142966279² = 40878713862211682, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142966979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3762252 + ... + 3762289.

It is an arithmetic number, because the mean of its divisors is an integer number (37622710).

Almost surely, 2^142966279 is an apocalyptic number.

142966279 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

142966279 is a deficient number, since it is larger than the sum of its proper divisors (7524561).

142966279 is an equidigital number, since it uses as much as digits as its factorization.

142966279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7524560.

The product of its digits is 326592, while the sum is 46.

The square root of 142966279 is about 11956.8507141304. The cubic root of 142966279 is about 522.8910455266.

The spelling of 142966279 in words is "one hundred forty-two million, nine hundred sixty-six thousand, two hundred seventy-nine".