142056241 has 2 divisors, whose sum is σ = 142056242. Its totient is φ = 142056240.

The previous prime is 142056227. The next prime is 142056289. The reversal of 142056241 is 142650241.

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., 78694641 + 63361600 = 8871^2 + 7960^2 .

It is an emirp because it is prime and its reverse (142650241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142056241 - 2⁷ = 142056113 is a prime.

It is not a weakly prime, because it can be changed into another prime (142056041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71028120 + 71028121.

It is an arithmetic number, because the mean of its divisors is an integer number (71028121).

Almost surely, 2^142056241 is an apocalyptic number.

It is an amenable number.

142056241 is a deficient number, since it is larger than the sum of its proper divisors (1).

142056241 is an equidigital number, since it uses as much as digits as its factorization.

142056241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 142056241 is about 11918.7348741383. The cubic root of 142056241 is about 521.7792123240.

The spelling of 142056241 in words is "one hundred forty-two million, fifty-six thousand, two hundred forty-one".