45252223 has 8 divisors (see below), whose sum is σ = 45767808. Its totient is φ = 44739864.

The previous prime is 45252203. The next prime is 45252239. The reversal of 45252223 is 32225254.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45252223 - 2⁵ = 45252191 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 (45252203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36390 + ... + 37612.

It is an arithmetic number, because the mean of its divisors is an integer number (5720976).

Almost surely, 2^45252223 is an apocalyptic number.

45252223 is a deficient number, since it is larger than the sum of its proper divisors (515585).

45252223 is a wasteful number, since it uses less digits than its factorization.

45252223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1613.

The product of its digits is 4800, while the sum is 25.

The square root of 45252223 is about 6726.9772557962. The cubic root of 45252223 is about 356.3526336894.

Adding to 45252223 its reverse (32225254), we get a palindrome (77477477).

The spelling of 45252223 in words is "forty-five million, two hundred fifty-two thousand, two hundred twenty-three".