45769 has 4 divisors (see below), whose sum is σ = 47044. Its totient is φ = 44496.

The previous prime is 45767. The next prime is 45779. The reversal of 45769 is 96754.

45769 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.

It can be written as a sum of positive squares in 2 ways, for example, as 38025 + 7744 = 195^2 + 88^2 .

It is a cyclic number.

It is not a de Polignac number, because 45769 - 2¹ = 45767 is a prime.

It is a super-2 number, since 2×45769² = 4189602722, which contains 22 as substring.

It is a Duffinian number.

45769 is a lucky number.

It is a nialpdrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 45769.

It is not an unprimeable number, because it can be changed into a prime (45763) 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, 582 + ... + 655.

It is an arithmetic number, because the mean of its divisors is an integer number (11761).

2⁴⁵⁷⁶⁹ is an apocalyptic number.

It is an amenable number.

45769 is a deficient number, since it is larger than the sum of its proper divisors (1275).

45769 is a wasteful number, since it uses less digits than its factorization.

45769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1274.

The product of its digits is 7560, while the sum is 31.

The square root of 45769 is about 213.9369065870. The cubic root of 45769 is about 35.7704009270.

The spelling of 45769 in words is "forty-five thousand, seven hundred sixty-nine".