142214444 has 12 divisors (see below), whose sum is σ = 249534600. Its totient is φ = 70918848.

The previous prime is 142214419. The next prime is 142214467. The reversal of 142214444 is 444412241.

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

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 3 ways as a sum of consecutive naturals, for example, 45389 + ... + 48420.

It is an arithmetic number, because the mean of its divisors is an integer number (20794550).

Almost surely, 2^142214444 is an apocalyptic number.

It is an amenable number.

142214444 is a deficient number, since it is larger than the sum of its proper divisors (107320156).

142214444 is a wasteful number, since it uses less digits than its factorization.

142214444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94192 (or 94190 counting only the distinct ones).

The product of its digits is 4096, while the sum is 26.

The square root of 142214444 is about 11925.3697636593. The cubic root of 142214444 is about 521.9728361353.

Adding to 142214444 its reverse (444412241), we get a palindrome (586626685).

The spelling of 142214444 in words is "one hundred forty-two million, two hundred fourteen thousand, four hundred forty-four".