142444022 has 16 divisors (see below), whose sum is σ = 244808352. Its totient is φ = 60892800.

The previous prime is 142444021. The next prime is 142444051. The reversal of 142444022 is 220444241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142444021) 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, 7073 + ... + 18300.

It is an arithmetic number, because the mean of its divisors is an integer number (15300522).

Almost surely, 2^142444022 is an apocalyptic number.

142444022 is a deficient number, since it is larger than the sum of its proper divisors (102364330).

142444022 is a wasteful number, since it uses less digits than its factorization.

142444022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25783.

The product of its (nonzero) digits is 2048, while the sum is 23.

The square root of 142444022 is about 11934.9914955981. The cubic root of 142444022 is about 522.2535602105.

Adding to 142444022 its reverse (220444241), we get a palindrome (362888263).

The spelling of 142444022 in words is "one hundred forty-two million, four hundred forty-four thousand, twenty-two".