45911 has 4 divisors (see below), whose sum is σ = 47424. Its totient is φ = 44400.

The previous prime is 45893. The next prime is 45943. The reversal of 45911 is 11954.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45911 - 2¹⁰ = 44887 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45971) 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, 710 + ... + 771.

It is an arithmetic number, because the mean of its divisors is an integer number (11856).

2⁴⁵⁹¹¹ is an apocalyptic number.

45911 is a deficient number, since it is larger than the sum of its proper divisors (1513).

45911 is a wasteful number, since it uses less digits than its factorization.

45911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1512.

The product of its digits is 180, while the sum is 20.

The square root of 45911 is about 214.2685231199. The cubic root of 45911 is about 35.8073557287.

The spelling of 45911 in words is "forty-five thousand, nine hundred eleven".