14987143 has 8 divisors (see below), whose sum is σ = 15902720. Its totient is φ = 14084280.

The previous prime is 14987131. The next prime is 14987153. The reversal of 14987143 is 34178941.

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 14987143 - 2⁵ = 14987111 is a prime.

It is a super-2 number, since 2×14987143² = 449228910604898, 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 (14987123) 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, 693 + ... + 5518.

It is an arithmetic number, because the mean of its divisors is an integer number (1987840).

Almost surely, 2^14987143 is an apocalyptic number.

14987143 is a deficient number, since it is larger than the sum of its proper divisors (915577).

14987143 is a wasteful number, since it uses less digits than its factorization.

14987143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6357.

The product of its digits is 24192, while the sum is 37.

The square root of 14987143 is about 3871.3231588179. The cubic root of 14987143 is about 246.5507248724.

The spelling of 14987143 in words is "fourteen million, nine hundred eighty-seven thousand, one hundred forty-three".