142622169 has 8 divisors (see below), whose sum is σ = 190230432. Its totient is φ = 95047680.

The previous prime is 142622167. The next prime is 142622171. The reversal of 142622169 is 961226241.

It is an interprime number because it is at equal distance from previous prime (142622167) and next prime (142622171).

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

It is not a de Polignac number, because 142622169 - 2¹ = 142622167 is a prime.

It is a super-2 number, since 2×142622169² = 40682166180529122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (142622167) 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, 4057 + ... + 17369.

It is an arithmetic number, because the mean of its divisors is an integer number (23778804).

Almost surely, 2^142622169 is an apocalyptic number.

It is an amenable number.

142622169 is a deficient number, since it is larger than the sum of its proper divisors (47608263).

142622169 is a wasteful number, since it uses less digits than its factorization.

142622169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16887.

The product of its digits is 10368, while the sum is 33.

The square root of 142622169 is about 11942.4523863401. The cubic root of 142622169 is about 522.4711875629.

The spelling of 142622169 in words is "one hundred forty-two million, six hundred twenty-two thousand, one hundred sixty-nine".