142402244 has 6 divisors (see below), whose sum is σ = 249203934. Its totient is φ = 71201120.

The previous prime is 142402229. The next prime is 142402277. The reversal of 142402244 is 442204241.

142402244 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 142086400 + 315844 = 11920^2 + 562^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17800277 + ... + 17800284.

It is an arithmetic number, because the mean of its divisors is an integer number (41533989).

Almost surely, 2^142402244 is an apocalyptic number.

It is an amenable number.

142402244 is a deficient number, since it is larger than the sum of its proper divisors (106801690).

142402244 is a wasteful number, since it uses less digits than its factorization.

142402244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35600565 (or 35600563 counting only the distinct ones).

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

The square root of 142402244 is about 11933.2411355842. The cubic root of 142402244 is about 522.2024972447.

Adding to 142402244 its reverse (442204241), we get a palindrome (584606485).

The spelling of 142402244 in words is "one hundred forty-two million, four hundred two thousand, two hundred forty-four".