142822438 has 8 divisors (see below), whose sum is σ = 233709480. Its totient is φ = 64919280.

The previous prime is 142822417. The next prime is 142822469. The reversal of 142822438 is 834228241.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3245943 + ... + 3245986.

It is an arithmetic number, because the mean of its divisors is an integer number (29213685).

Almost surely, 2^142822438 is an apocalyptic number.

142822438 is a deficient number, since it is larger than the sum of its proper divisors (90887042).

142822438 is a wasteful number, since it uses less digits than its factorization.

142822438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6491942.

The product of its digits is 24576, while the sum is 34.

The square root of 142822438 is about 11950.8341968249. The cubic root of 142822438 is about 522.7156232523.

The spelling of 142822438 in words is "one hundred forty-two million, eight hundred twenty-two thousand, four hundred thirty-eight".