142122044 has 24 divisors (see below), whose sum is σ = 254469600. Its totient is φ = 69427904.

The previous prime is 142122007. The next prime is 142122047. The reversal of 142122044 is 440221241.

142122044 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 (142122047) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 54482 + ... + 57030.

It is an arithmetic number, because the mean of its divisors is an integer number (10602900).

Almost surely, 2^142122044 is an apocalyptic number.

It is an amenable number.

142122044 is a deficient number, since it is larger than the sum of its proper divisors (112347556).

142122044 is a wasteful number, since it uses less digits than its factorization.

142122044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2869 (or 2867 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 142122044 is about 11921.4950404721. The cubic root of 142122044 is about 521.8597657188.

Adding to 142122044 its reverse (440221241), we get a palindrome (582343285).

The spelling of 142122044 in words is "one hundred forty-two million, one hundred twenty-two thousand, forty-four".