145011 has 4 divisors (see below), whose sum is σ = 193352. Its totient is φ = 96672.

The previous prime is 145009. The next prime is 145021. The reversal of 145011 is 110541.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 110541 = 3 ⋅36847.

It is not a de Polignac number, because 145011 - 2¹ = 145009 is a prime.

It is a D-number.

It is a Duffinian number.

It is a plaindrome in base 14.

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 145011.

It is not an unprimeable number, because it can be changed into a prime (145021) 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, 24166 + ... + 24171.

It is an arithmetic number, because the mean of its divisors is an integer number (48338).

2¹⁴⁵⁰¹¹ is an apocalyptic number.

145011 is a deficient number, since it is larger than the sum of its proper divisors (48341).

145011 is an equidigital number, since it uses as much as digits as its factorization.

145011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48340.

The product of its (nonzero) digits is 20, while the sum is 12.

The square root of 145011 is about 380.8030987269. The cubic root of 145011 is about 52.5372071848.

Subtracting from 145011 its product of nonzero digits (20), we obtain a triangular number (144991 = T₅₃₈).

Adding to 145011 its reverse (110541), we get a palindrome (255552).

The spelling of 145011 in words is "one hundred forty-five thousand, eleven".