45223111 has 4 divisors (see below), whose sum is σ = 47883312. Its totient is φ = 42562912.

The previous prime is 45223109. The next prime is 45223121. The reversal of 45223111 is 11132254.

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 45223111 - 2¹ = 45223109 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 (45223121) 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, 1330075 + ... + 1330108.

It is an arithmetic number, because the mean of its divisors is an integer number (11970828).

Almost surely, 2^45223111 is an apocalyptic number.

45223111 is a deficient number, since it is larger than the sum of its proper divisors (2660201).

45223111 is a wasteful number, since it uses less digits than its factorization.

45223111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2660200.

The product of its digits is 240, while the sum is 19.

The square root of 45223111 is about 6724.8130829042. The cubic root of 45223111 is about 356.2762001455.

Adding to 45223111 its reverse (11132254), we get a palindrome (56355365).

The spelling of 45223111 in words is "forty-five million, two hundred twenty-three thousand, one hundred eleven".