145411 has 4 divisors (see below), whose sum is σ = 166192. Its totient is φ = 124632.

The previous prime is 145399. The next prime is 145417. The reversal of 145411 is 114541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 114541 = 7 ⋅16363.

It is a cyclic number.

It is not a de Polignac number, because 145411 - 2⁷ = 145283 is a prime.

It is a super-2 number, since 2×145411² = 42288717842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10380 + ... + 10393.

It is an arithmetic number, because the mean of its divisors is an integer number (41548).

2¹⁴⁵⁴¹¹ is an apocalyptic number.

145411 is a deficient number, since it is larger than the sum of its proper divisors (20781).

145411 is an equidigital number, since it uses as much as digits as its factorization.

145411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20780.

The product of its digits is 80, while the sum is 16.

The square root of 145411 is about 381.3279428523. The cubic root of 145411 is about 52.5854692474.

Adding to 145411 its reverse (114541), we get a palindrome (259952).

It can be divided in two parts, 145 and 411, that multiplied together give a palindrome (59595).

The spelling of 145411 in words is "one hundred forty-five thousand, four hundred eleven".