142276444 has 6 divisors (see below), whose sum is σ = 248983784. Its totient is φ = 71138220.

The previous prime is 142276429. The next prime is 142276447. The reversal of 142276444 is 444672241.

142276444 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142276447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17784552 + ... + 17784559.

Almost surely, 2^142276444 is an apocalyptic number.

It is an amenable number.

142276444 is a deficient number, since it is larger than the sum of its proper divisors (106707340).

142276444 is a wasteful number, since it uses less digits than its factorization.

142276444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35569115 (or 35569113 counting only the distinct ones).

The product of its digits is 43008, while the sum is 34.

The square root of 142276444 is about 11927.9689805096. The cubic root of 142276444 is about 522.0486784412.

The spelling of 142276444 in words is "one hundred forty-two million, two hundred seventy-six thousand, four hundred forty-four".