45498223 has 4 divisors (see below), whose sum is σ = 45551808. Its totient is φ = 45444640.

The previous prime is 45498169. The next prime is 45498227. The reversal of 45498223 is 32289454.

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: 32289454 = 2 ⋅16144727.

It is a cyclic number.

It is not a de Polignac number, because 45498223 - 2²⁵ = 11943791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45498227) 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, 25498 + ... + 27223.

It is an arithmetic number, because the mean of its divisors is an integer number (11387952).

Almost surely, 2^45498223 is an apocalyptic number.

45498223 is a deficient number, since it is larger than the sum of its proper divisors (53585).

45498223 is an equidigital number, since it uses as much as digits as its factorization.

45498223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53584.

The product of its digits is 69120, while the sum is 37.

The square root of 45498223 is about 6745.2370603263. The cubic root of 45498223 is about 356.9972014730.

The spelling of 45498223 in words is "forty-five million, four hundred ninety-eight thousand, two hundred twenty-three".