45023243 has 2 divisors, whose sum is σ = 45023244. Its totient is φ = 45023242.

The previous prime is 45023239. The next prime is 45023291. The reversal of 45023243 is 34232054.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45023243 - 2² = 45023239 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (45023203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22511621 + 22511622.

It is an arithmetic number, because the mean of its divisors is an integer number (22511622).

Almost surely, 2^45023243 is an apocalyptic number.

45023243 is a deficient number, since it is larger than the sum of its proper divisors (1).

45023243 is an equidigital number, since it uses as much as digits as its factorization.

45023243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 45023243 is about 6709.9361397855. The cubic root of 45023243 is about 355.7505590722.

Adding to 45023243 its reverse (34232054), we get a palindrome (79255297).

The spelling of 45023243 in words is "forty-five million, twenty-three thousand, two hundred forty-three".