142996418 has 8 divisors (see below), whose sum is σ = 227112012. Its totient is φ = 67292416.

The previous prime is 142996411. The next prime is 142996429. The reversal of 142996418 is 814699241.

It can be written as a sum of positive squares in 2 ways, for example, as 142969849 + 26569 = 11957^2 + 163^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (142996411) by changing a digit.

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, 2102855 + ... + 2102922.

Almost surely, 2^142996418 is an apocalyptic number.

142996418 is a deficient number, since it is larger than the sum of its proper divisors (84115594).

142996418 is a wasteful number, since it uses less digits than its factorization.

142996418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4205796.

The product of its digits is 124416, while the sum is 44.

The square root of 142996418 is about 11958.1109712195. The cubic root of 142996418 is about 522.9277868385.

The spelling of 142996418 in words is "one hundred forty-two million, nine hundred ninety-six thousand, four hundred eighteen".