142234244 has 24 divisors (see below), whose sum is σ = 252141120. Its totient is φ = 70199136.

The previous prime is 142234243. The next prime is 142234273. The reversal of 142234244 is 442432241.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (142234243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187514 + ... + 188270.

It is an arithmetic number, because the mean of its divisors is an integer number (10505880).

Almost surely, 2^142234244 is an apocalyptic number.

It is an amenable number.

142234244 is a deficient number, since it is larger than the sum of its proper divisors (109906876).

142234244 is a wasteful number, since it uses less digits than its factorization.

142234244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1307 (or 1305 counting only the distinct ones).

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

The square root of 142234244 is about 11926.1998977042. The cubic root of 142234244 is about 521.9970591380.

Adding to 142234244 its reverse (442432241), we get a palindrome (584666485).

The spelling of 142234244 in words is "one hundred forty-two million, two hundred thirty-four thousand, two hundred forty-four".