142516689 has 8 divisors (see below), whose sum is σ = 217168320. Its totient is φ = 81438096.

The previous prime is 142516687. The next prime is 142516691. The reversal of 142516689 is 986615241.

142516689 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (142516687) and next prime (142516691).

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

It is not a de Polignac number, because 142516689 - 2¹ = 142516687 is a prime.

It is a super-2 number, since 2×142516689² = 40622013287045442, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 142516689.

It is not an unprimeable number, because it can be changed into a prime (142516687) 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, 3393234 + ... + 3393275.

It is an arithmetic number, because the mean of its divisors is an integer number (27146040).

Almost surely, 2^142516689 is an apocalyptic number.

It is an amenable number.

142516689 is a deficient number, since it is larger than the sum of its proper divisors (74651631).

142516689 is an equidigital number, since it uses as much as digits as its factorization.

142516689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6786519.

The product of its digits is 103680, while the sum is 42.

The square root of 142516689 is about 11938.0353911353. The cubic root of 142516689 is about 522.3423533316.

The spelling of 142516689 in words is "one hundred forty-two million, five hundred sixteen thousand, six hundred eighty-nine".