145143 has 6 divisors (see below), whose sum is σ = 209664. Its totient is φ = 96756.

The previous prime is 145139. The next prime is 145177. The reversal of 145143 is 341541.

It is a happy number.

It is not a de Polignac number, because 145143 - 2² = 145139 is a prime.

145143 is a lucky number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 145143.

It is not an unprimeable number, because it can be changed into a prime (145133) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8055 + ... + 8072.

It is an arithmetic number, because the mean of its divisors is an integer number (34944).

2¹⁴⁵¹⁴³ is an apocalyptic number.

145143 is a deficient number, since it is larger than the sum of its proper divisors (64521).

145143 is a wasteful number, since it uses less digits than its factorization.

145143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16133 (or 16130 counting only the distinct ones).

The product of its digits is 240, while the sum is 18.

The square root of 145143 is about 380.9763772204. The cubic root of 145143 is about 52.5531434659.

Adding to 145143 its sum of digits (18), we get a square (145161 = 381²).

Adding to 145143 its reverse (341541), we get a palindrome (486684).

The spelling of 145143 in words is "one hundred forty-five thousand, one hundred forty-three".