142422375 has 32 divisors (see below), whose sum is σ = 239159232. Its totient is φ = 75264000.

The previous prime is 142422367. The next prime is 142422383. The reversal of 142422375 is 573224241.

It is an interprime number because it is at equal distance from previous prime (142422367) and next prime (142422383).

It is not a de Polignac number, because 142422375 - 2³ = 142422367 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40695 + ... + 44055.

It is an arithmetic number, because the mean of its divisors is an integer number (7473726).

Almost surely, 2^142422375 is an apocalyptic number.

142422375 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

142422375 is a deficient number, since it is larger than the sum of its proper divisors (96736857).

142422375 is a wasteful number, since it uses less digits than its factorization.

142422375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3492 (or 3482 counting only the distinct ones).

The product of its digits is 13440, while the sum is 30.

The square root of 142422375 is about 11934.0845899466. The cubic root of 142422375 is about 522.2271035122.

The spelling of 142422375 in words is "one hundred forty-two million, four hundred twenty-two thousand, three hundred seventy-five".