142434422 has 16 divisors (see below), whose sum is σ = 230286672. Its totient is φ = 65681760.

The previous prime is 142434421. The next prime is 142434433. The reversal of 142434422 is 224434241.

It is a happy number.

142434422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 142434391 and 142434400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142434421) 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, 48788 + ... + 51624.

It is an arithmetic number, because the mean of its divisors is an integer number (14392917).

Almost surely, 2^142434422 is an apocalyptic number.

142434422 is a deficient number, since it is larger than the sum of its proper divisors (87852250).

142434422 is a wasteful number, since it uses less digits than its factorization.

142434422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4783.

The product of its digits is 6144, while the sum is 26.

The square root of 142434422 is about 11934.5893100684. The cubic root of 142434422 is about 522.2418275389.

Adding to 142434422 its reverse (224434241), we get a palindrome (366868663).

The spelling of 142434422 in words is "one hundred forty-two million, four hundred thirty-four thousand, four hundred twenty-two".