145871 has 8 divisors (see below), whose sum is σ = 162000. Its totient is φ = 130240.

The previous prime is 145861. The next prime is 145879. The reversal of 145871 is 178541.

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

It is not a de Polignac number, because 145871 - 2⁶ = 145807 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 145871.

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 145871.

It is not an unprimeable number, because it can be changed into a prime (145879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 905 + ... + 1053.

It is an arithmetic number, because the mean of its divisors is an integer number (20250).

2¹⁴⁵⁸⁷¹ is an apocalyptic number.

145871 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

145871 is a deficient number, since it is larger than the sum of its proper divisors (16129).

145871 is a wasteful number, since it uses less digits than its factorization.

145871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249.

The product of its digits is 1120, while the sum is 26.

The square root of 145871 is about 381.9306219721. The cubic root of 145871 is about 52.6408613277.

It can be divided in two parts, 14 and 5871, that added together give a palindrome (5885).

The spelling of 145871 in words is "one hundred forty-five thousand, eight hundred seventy-one".