142559111 has 8 divisors (see below), whose sum is σ = 147554304. Its totient is φ = 137588760.

The previous prime is 142559069. The next prime is 142559149. The reversal of 142559111 is 111955241.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142559111 is a prime.

It is a super-2 number, since 2×142559111² = 40646200258220642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142559191) 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, 5870 + ... + 17876.

It is an arithmetic number, because the mean of its divisors is an integer number (18444288).

Almost surely, 2^142559111 is an apocalyptic number.

142559111 is a deficient number, since it is larger than the sum of its proper divisors (4995193).

142559111 is a wasteful number, since it uses less digits than its factorization.

142559111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12421.

The product of its digits is 1800, while the sum is 29.

The square root of 142559111 is about 11939.8120169457. The cubic root of 142559111 is about 522.3941755876.

The spelling of 142559111 in words is "one hundred forty-two million, five hundred fifty-nine thousand, one hundred eleven".