45611 has 4 divisors (see below), whose sum is σ = 48312. Its totient is φ = 42912.

The previous prime is 45599. The next prime is 45613. The reversal of 45611 is 11654.

It is a happy number.

45611 is nontrivially palindromic in base 16.

45611 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11654 = 2 ⋅5827.

It is a cyclic number.

It is not a de Polignac number, because 45611 - 2¹⁰ = 44587 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 2683 = 45611 / (4 + 5 + 6 + 1 + 1).

It is a Duffinian number.

It is a plaindrome in base 12 and base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 45611.

It is not an unprimeable number, because it can be changed into a prime (45613) 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, 1325 + ... + 1358.

It is an arithmetic number, because the mean of its divisors is an integer number (12078).

2⁴⁵⁶¹¹ is an apocalyptic number.

45611 is a deficient number, since it is larger than the sum of its proper divisors (2701).

45611 is a wasteful number, since it uses less digits than its factorization.

45611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2700.

The product of its digits is 120, while the sum is 17.

The square root of 45611 is about 213.5673195974. The cubic root of 45611 is about 35.7291922536.

It can be divided in two parts, 45 and 611, that multiplied together give a triangular number (27495 = T₂₃₄).

The spelling of 45611 in words is "forty-five thousand, six hundred eleven".