45229 has 4 divisors (see below), whose sum is σ = 46720. Its totient is φ = 43740.

The previous prime is 45197. The next prime is 45233. The reversal of 45229 is 92254.

It is a happy number.

45229 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 a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 45229 - 2⁵ = 45197 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 12.

It is a zygodrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45259) 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, 699 + ... + 760.

It is an arithmetic number, because the mean of its divisors is an integer number (11680).

2⁴⁵²²⁹ is an apocalyptic number.

It is an amenable number.

45229 is a deficient number, since it is larger than the sum of its proper divisors (1491).

45229 is a wasteful number, since it uses less digits than its factorization.

45229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1490.

The product of its digits is 720, while the sum is 22.

The square root of 45229 is about 212.6711075816. The cubic root of 45229 is about 35.6291664359.

The spelling of 45229 in words is "forty-five thousand, two hundred twenty-nine".