142000244 has 12 divisors (see below), whose sum is σ = 248661504. Its totient is φ = 70954104.

The previous prime is 142000241. The next prime is 142000273. The reversal of 142000244 is 442000241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142000241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4022 + ... + 17325.

It is an arithmetic number, because the mean of its divisors is an integer number (20721792).

Almost surely, 2^142000244 is an apocalyptic number.

It is an amenable number.

142000244 is a deficient number, since it is larger than the sum of its proper divisors (106661260).

142000244 is a wasteful number, since it uses less digits than its factorization.

142000244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23014 (or 23012 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 142000244 is about 11916.3855258212. The cubic root of 142000244 is about 521.7106434475.

Adding to 142000244 its reverse (442000241), we get a palindrome (584000485).

The spelling of 142000244 in words is "one hundred forty-two million, two hundred forty-four", and thus it is an aban number.