142497944 has 16 divisors (see below), whose sum is σ = 282900600. Its totient is φ = 67057792.

The previous prime is 142497899. The next prime is 142497959. The reversal of 142497944 is 449794241.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 142497895 and 142497904.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 523754 + ... + 524025.

Almost surely, 2^142497944 is an apocalyptic number.

It is an amenable number.

142497944 is a deficient number, since it is larger than the sum of its proper divisors (140402656).

142497944 is a wasteful number, since it uses less digits than its factorization.

142497944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1047802 (or 1047798 counting only the distinct ones).

The product of its digits is 290304, while the sum is 44.

The square root of 142497944 is about 11937.2502696392. The cubic root of 142497944 is about 522.3194513664.

The spelling of 142497944 in words is "one hundred forty-two million, four hundred ninety-seven thousand, nine hundred forty-four".