142044017 has 2 divisors, whose sum is σ = 142044018. Its totient is φ = 142044016.

The previous prime is 142043989. The next prime is 142044037. The reversal of 142044017 is 710440241.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99520576 + 42523441 = 9976^2 + 6521^2 .

It is a cyclic number.

It is not a de Polignac number, because 142044017 - 2⁸ = 142043761 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 142043983 and 142044001.

It is not a weakly prime, because it can be changed into another prime (142044037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71022008 + 71022009.

It is an arithmetic number, because the mean of its divisors is an integer number (71022009).

Almost surely, 2^142044017 is an apocalyptic number.

It is an amenable number.

142044017 is a deficient number, since it is larger than the sum of its proper divisors (1).

142044017 is an equidigital number, since it uses as much as digits as its factorization.

142044017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 142044017 is about 11918.2220570016. Note that the first 3 decimals coincide. The cubic root of 142044017 is about 521.7642454536.

Adding to 142044017 its reverse (710440241), we get a palindrome (852484258).

The spelling of 142044017 in words is "one hundred forty-two million, forty-four thousand, seventeen".