45450243 has 12 divisors (see below), whose sum is σ = 65808288. Its totient is φ = 30227280.

The previous prime is 45450241. The next prime is 45450257. The reversal of 45450243 is 34205454.

It is not a de Polignac number, because 45450243 - 2¹ = 45450241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45450241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1980 + ... + 9737.

It is an arithmetic number, because the mean of its divisors is an integer number (5484024).

Almost surely, 2^45450243 is an apocalyptic number.

45450243 is a deficient number, since it is larger than the sum of its proper divisors (20358045).

45450243 is a wasteful number, since it uses less digits than its factorization.

45450243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12154 (or 12151 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 45450243 is about 6741.6795385126. The cubic root of 45450243 is about 356.8716672643.

Adding to 45450243 its reverse (34205454), we get a palindrome (79655697).

The spelling of 45450243 in words is "forty-five million, four hundred fifty thousand, two hundred forty-three".