142344144 has 30 divisors (see below), whose sum is σ = 398366306. Its totient is φ = 47448000.

The previous prime is 142344131. The next prime is 142344193. The reversal of 142344144 is 441443241.

142344144 is a `hidden beast` number, since 14 + 234 + 414 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 130233744 + 12110400 = 11412^2 + 3480^2 .

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 494107 + ... + 494394.

Almost surely, 2^142344144 is an apocalyptic number.

It is an amenable number.

142344144 is an abundant number, since it is smaller than the sum of its proper divisors (256022162).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142344144 is a wasteful number, since it uses less digits than its factorization.

142344144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 988515 (or 988506 counting only the distinct ones).

The product of its digits is 6144, while the sum is 27.

The square root of 142344144 is about 11930.8065108776. The cubic root of 142344144 is about 522.1314681855.

Adding to 142344144 its reverse (441443241), we get a palindrome (583787385).

The spelling of 142344144 in words is "one hundred forty-two million, three hundred forty-four thousand, one hundred forty-four".