142242322 has 16 divisors (see below), whose sum is σ = 231840000. Its totient is φ = 65203920.

The previous prime is 142242311. The next prime is 142242367. The reversal of 142242322 is 223242241.

It is a junction number, because it is equal to n+sod(n) for n = 142242293 and 142242302.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59197 + ... + 61552.

It is an arithmetic number, because the mean of its divisors is an integer number (14490000).

Almost surely, 2^142242322 is an apocalyptic number.

142242322 is a deficient number, since it is larger than the sum of its proper divisors (89597678).

142242322 is a wasteful number, since it uses less digits than its factorization.

142242322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120801.

The product of its digits is 1536, while the sum is 22.

The square root of 142242322 is about 11926.5385590288. The cubic root of 142242322 is about 522.0069409880.

Adding to 142242322 its reverse (223242241), we get a palindrome (365484563).

It can be divided in two parts, 14224 and 2322, that multiplied together give a triangular number (33028128 = T₈₁₂₇).

The spelling of 142242322 in words is "one hundred forty-two million, two hundred forty-two thousand, three hundred twenty-two".