45145012243 has 2 divisors, whose sum is σ = 45145012244. Its totient is φ = 45145012242.

The previous prime is 45145012193. The next prime is 45145012247. The reversal of 45145012243 is 34221054154.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45145012243 is a prime.

It is a super-3 number, since 3×45145012243³ (a number of 33 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (45145012247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22572506121 + 22572506122.

It is an arithmetic number, because the mean of its divisors is an integer number (22572506122).

Almost surely, 2^45145012243 is an apocalyptic number.

45145012243 is a deficient number, since it is larger than the sum of its proper divisors (1).

45145012243 is an equidigital number, since it uses as much as digits as its factorization.

45145012243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 45145012243 its reverse (34221054154), we get a palindrome (79366066397).

The spelling of 45145012243 in words is "forty-five billion, one hundred forty-five million, twelve thousand, two hundred forty-three".