142044223 has 2 divisors, whose sum is σ = 142044224. Its totient is φ = 142044222.

The previous prime is 142044169. The next prime is 142044229. The reversal of 142044223 is 322440241.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142044223 is a prime.

It is a super-2 number, since 2×142044223² = 40353122575347458, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 142044194 and 142044203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142044229) by changing a digit.

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, 71022111 + 71022112.

It is an arithmetic number, because the mean of its divisors is an integer number (71022112).

Almost surely, 2^142044223 is an apocalyptic number.

142044223 is a deficient number, since it is larger than the sum of its proper divisors (1).

142044223 is an equidigital number, since it uses as much as digits as its factorization.

142044223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 142044223 is about 11918.2306992271. The cubic root of 142044223 is about 521.7644976838.

Adding to 142044223 its reverse (322440241), we get a palindrome (464484464).

The spelling of 142044223 in words is "one hundred forty-two million, forty-four thousand, two hundred twenty-three".