142434122 has 4 divisors (see below), whose sum is σ = 213651186. Its totient is φ = 71217060.

The previous prime is 142434113. The next prime is 142434137. The reversal of 142434122 is 221434241.

142434122 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 116229961 + 26204161 = 10781^2 + 5119^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35608529 + ... + 35608532.

Almost surely, 2^142434122 is an apocalyptic number.

142434122 is a deficient number, since it is larger than the sum of its proper divisors (71217064).

142434122 is an equidigital number, since it uses as much as digits as its factorization.

142434122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71217063.

The product of its digits is 1536, while the sum is 23.

The square root of 142434122 is about 11934.5767415523. The cubic root of 142434122 is about 522.2414608844.

Adding to 142434122 its reverse (221434241), we get a palindrome (363868363).

The spelling of 142434122 in words is "one hundred forty-two million, four hundred thirty-four thousand, one hundred twenty-two".