142441322 has 4 divisors (see below), whose sum is σ = 213661986. Its totient is φ = 71220660.

The previous prime is 142441319. The next prime is 142441333. The reversal of 142441322 is 223144241.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 99420841 + 43020481 = 9971^2 + 6559^2 .

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 as a sum of consecutive naturals, namely, 35610329 + ... + 35610332.

Almost surely, 2^142441322 is an apocalyptic number.

142441322 is a deficient number, since it is larger than the sum of its proper divisors (71220664).

142441322 is an equidigital number, since it uses as much as digits as its factorization.

142441322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71220663.

The product of its digits is 1536, while the sum is 23.

The square root of 142441322 is about 11934.8783822878. The cubic root of 142441322 is about 522.2502604499.

Adding to 142441322 its reverse (223144241), we get a palindrome (365585563).

The spelling of 142441322 in words is "one hundred forty-two million, four hundred forty-one thousand, three hundred twenty-two".