142304441 has 2 divisors, whose sum is σ = 142304442. Its totient is φ = 142304440.

The previous prime is 142304431. The next prime is 142304483. The reversal of 142304441 is 144403241.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 127125625 + 15178816 = 11275^2 + 3896^2 .

It is a cyclic number.

It is not a de Polignac number, because 142304441 - 2²⁶ = 75195577 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (142304411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71152220 + 71152221.

It is an arithmetic number, because the mean of its divisors is an integer number (71152221).

Almost surely, 2^142304441 is an apocalyptic number.

It is an amenable number.

142304441 is a deficient number, since it is larger than the sum of its proper divisors (1).

142304441 is an equidigital number, since it uses as much as digits as its factorization.

142304441 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 23.

The square root of 142304441 is about 11929.1425089987. The cubic root of 142304441 is about 522.0829189143.

Adding to 142304441 its reverse (144403241), we get a palindrome (286707682).

The spelling of 142304441 in words is "one hundred forty-two million, three hundred four thousand, four hundred forty-one".