142515259 has 2 divisors, whose sum is σ = 142515260. Its totient is φ = 142515258.

The previous prime is 142515239. The next prime is 142515271. The reversal of 142515259 is 952515241.

It is a strong prime.

It is an emirp because it is prime and its reverse (952515241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142515259 - 2⁵ = 142515227 is a prime.

It is not a weakly prime, because it can be changed into another prime (142515239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71257629 + 71257630.

It is an arithmetic number, because the mean of its divisors is an integer number (71257630).

Almost surely, 2^142515259 is an apocalyptic number.

142515259 is a deficient number, since it is larger than the sum of its proper divisors (1).

142515259 is an equidigital number, since it uses as much as digits as its factorization.

142515259 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18000, while the sum is 34.

The square root of 142515259 is about 11937.9754983833. The cubic root of 142515259 is about 522.3406062799.

The spelling of 142515259 in words is "one hundred forty-two million, five hundred fifteen thousand, two hundred fifty-nine".