142124144 has 40 divisors (see below), whose sum is σ = 281565312. Its totient is φ = 69477120.

The previous prime is 142124089. The next prime is 142124167. The reversal of 142124144 is 441421241.

It is a super-3 number, since 3×142124144³ (a number of 25 digits) contains 333 as substring.

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 pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217322 + ... + 217974.

Almost surely, 2^142124144 is an apocalyptic number.

It is an amenable number.

142124144 is a deficient number, since it is larger than the sum of its proper divisors (139441168).

142124144 is a wasteful number, since it uses less digits than its factorization.

142124144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 945 (or 939 counting only the distinct ones).

The product of its digits is 1024, while the sum is 23.

The square root of 142124144 is about 11921.5831163483. The cubic root of 142124144 is about 521.8623360451.

Adding to 142124144 its reverse (441421241), we get a palindrome (583545385).

The spelling of 142124144 in words is "one hundred forty-two million, one hundred twenty-four thousand, one hundred forty-four".