145911 has 8 divisors (see below), whose sum is σ = 206064. Its totient is φ = 91520.

The previous prime is 145903. The next prime is 145931. The reversal of 145911 is 119541.

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 145911 - 2³ = 145903 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145931) 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, 1380 + ... + 1481.

It is an arithmetic number, because the mean of its divisors is an integer number (25758).

2¹⁴⁵⁹¹¹ is an apocalyptic number.

145911 is a deficient number, since it is larger than the sum of its proper divisors (60153).

145911 is a wasteful number, since it uses less digits than its factorization.

145911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2881.

The product of its digits is 180, while the sum is 21.

The square root of 145911 is about 381.9829839142. The cubic root of 145911 is about 52.6456725240.

The spelling of 145911 in words is "one hundred forty-five thousand, nine hundred eleven".