142248959 has 8 divisors (see below), whose sum is σ = 144106800. Its totient is φ = 140403456.

The previous prime is 142248949. The next prime is 142248971. The reversal of 142248959 is 959842241.

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

It is a cyclic number.

It is not a de Polignac number, because 142248959 - 2⁴ = 142248943 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 (142248949) 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, 21359 + ... + 27215.

It is an arithmetic number, because the mean of its divisors is an integer number (18013350).

Almost surely, 2^142248959 is an apocalyptic number.

142248959 is a deficient number, since it is larger than the sum of its proper divisors (1857841).

142248959 is a wasteful number, since it uses less digits than its factorization.

142248959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6169.

The product of its digits is 207360, while the sum is 44.

The square root of 142248959 is about 11926.8168008065. The cubic root of 142248959 is about 522.0150597770.

The spelling of 142248959 in words is "one hundred forty-two million, two hundred forty-eight thousand, nine hundred fifty-nine".