142534222 has 12 divisors (see below), whose sum is σ = 227118600. Its totient is φ = 67074656.

The previous prime is 142534213. The next prime is 142534229. The reversal of 142534222 is 222435241.

It is a super-2 number, since 2×142534222² = 40632008882290568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142534229) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 122722 + ... + 123877.

It is an arithmetic number, because the mean of its divisors is an integer number (18926550).

Almost surely, 2^142534222 is an apocalyptic number.

142534222 is a deficient number, since it is larger than the sum of its proper divisors (84584378).

142534222 is a wasteful number, since it uses less digits than its factorization.

142534222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246635 (or 246618 counting only the distinct ones).

The product of its digits is 3840, while the sum is 25.

The square root of 142534222 is about 11938.7697021092. The cubic root of 142534222 is about 522.3637727012.

Adding to 142534222 its reverse (222435241), we get a palindrome (364969463).

The spelling of 142534222 in words is "one hundred forty-two million, five hundred thirty-four thousand, two hundred twenty-two".