13850143 has 2 divisors, whose sum is σ = 13850144. Its totient is φ = 13850142.

The previous prime is 13850131. The next prime is 13850147. The reversal of 13850143 is 34105831.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13850143 - 2¹⁷ = 13719071 is a prime.

It is a super-2 number, since 2×13850143² = 383652922240898, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13850147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6925071 + 6925072.

It is an arithmetic number, because the mean of its divisors is an integer number (6925072).

Almost surely, 2^13850143 is an apocalyptic number.

13850143 is a deficient number, since it is larger than the sum of its proper divisors (1).

13850143 is an equidigital number, since it uses as much as digits as its factorization.

13850143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 13850143 is about 3721.5780255155. The cubic root of 13850143 is about 240.1511952393.

Adding to 13850143 its reverse (34105831), we get a palindrome (47955974).

The spelling of 13850143 in words is "thirteen million, eight hundred fifty thousand, one hundred forty-three".