142563361 has 16 divisors (see below), whose sum is σ = 155510784. Its totient is φ = 130317264.

The previous prime is 142563347. The next prime is 142563367. The reversal of 142563361 is 163365241.

It is not a de Polignac number, because 142563361 - 2¹⁵ = 142530593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142563367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44950 + ... + 48016.

It is an arithmetic number, because the mean of its divisors is an integer number (9719424).

Almost surely, 2^142563361 is an apocalyptic number.

It is an amenable number.

142563361 is a deficient number, since it is larger than the sum of its proper divisors (12947423).

142563361 is a wasteful number, since it uses less digits than its factorization.

142563361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3180.

The product of its digits is 12960, while the sum is 31.

The square root of 142563361 is about 11939.9899916206. The cubic root of 142563361 is about 522.3993667750.

The spelling of 142563361 in words is "one hundred forty-two million, five hundred sixty-three thousand, three hundred sixty-one".