142204408 has 16 divisors (see below), whose sum is σ = 268425000. Its totient is φ = 70624416.

The previous prime is 142204399. The next prime is 142204411. The reversal of 142204408 is 804402241.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58458 + ... + 60841.

Almost surely, 2^142204408 is an apocalyptic number.

It is an amenable number.

142204408 is a deficient number, since it is larger than the sum of its proper divisors (126220592).

142204408 is a wasteful number, since it uses less digits than its factorization.

142204408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119454 (or 119450 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 25.

The square root of 142204408 is about 11924.9489726372. The cubic root of 142204408 is about 521.9605573952.

Adding to 142204408 its reverse (804402241), we get a palindrome (946606649).

The spelling of 142204408 in words is "one hundred forty-two million, two hundred four thousand, four hundred eight".