142444122 has 64 divisors (see below), whose sum is σ = 315684864. Its totient is φ = 42658560.

The previous prime is 142444103. The next prime is 142444123. The reversal of 142444122 is 221444241.

142444122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 142444092 and 142444101.

It is not an unprimeable number, because it can be changed into a prime (142444123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 205797 + ... + 206487.

It is an arithmetic number, because the mean of its divisors is an integer number (4932576).

Almost surely, 2^142444122 is an apocalyptic number.

142444122 is an abundant number, since it is smaller than the sum of its proper divisors (173240742).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142444122 is a wasteful number, since it uses less digits than its factorization.

142444122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 803.

The product of its digits is 2048, while the sum is 24.

The square root of 142444122 is about 11934.9956849594. The cubic root of 142444122 is about 522.2536824231.

Adding to 142444122 its reverse (221444241), we get a palindrome (363888363).

The spelling of 142444122 in words is "one hundred forty-two million, four hundred forty-four thousand, one hundred twenty-two".