142563959 has 8 divisors (see below), whose sum is σ = 148961760. Its totient is φ = 136182816.

The previous prime is 142563919. The next prime is 142563961. The reversal of 142563959 is 959365241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 142563959 - 2⁸ = 142563703 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142563919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15329 + ... + 22805.

It is an arithmetic number, because the mean of its divisors is an integer number (18620220).

Almost surely, 2^142563959 is an apocalyptic number.

142563959 is a deficient number, since it is larger than the sum of its proper divisors (6397801).

142563959 is an equidigital number, since it uses as much as digits as its factorization.

142563959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8329.

The product of its digits is 291600, while the sum is 44.

The square root of 142563959 is about 11940.0150334914. The cubic root of 142563959 is about 522.4000971974.

The spelling of 142563959 in words is "one hundred forty-two million, five hundred sixty-three thousand, nine hundred fifty-nine".