142119844 has 6 divisors (see below), whose sum is σ = 248709734. Its totient is φ = 71059920.

The previous prime is 142119823. The next prime is 142119851. The reversal of 142119844 is 448911241.

It can be written as a sum of positive squares in only one way, i.e., 72897444 + 69222400 = 8538^2 + 8320^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17764977 + ... + 17764984.

Almost surely, 2^142119844 is an apocalyptic number.

It is an amenable number.

142119844 is a deficient number, since it is larger than the sum of its proper divisors (106589890).

142119844 is a wasteful number, since it uses less digits than its factorization.

142119844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35529965 (or 35529963 counting only the distinct ones).

The product of its digits is 9216, while the sum is 34.

The square root of 142119844 is about 11921.4027698086. The cubic root of 142119844 is about 521.8570729688.

The spelling of 142119844 in words is "one hundred forty-two million, one hundred nineteen thousand, eight hundred forty-four".