45003521243 has 2 divisors, whose sum is σ = 45003521244. Its totient is φ = 45003521242.

The previous prime is 45003521191. The next prime is 45003521261. The reversal of 45003521243 is 34212530054.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45003521243 - 2⁶ = 45003521179 is a prime.

It is not a weakly prime, because it can be changed into another prime (45003221243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22501760621 + 22501760622.

It is an arithmetic number, because the mean of its divisors is an integer number (22501760622).

Almost surely, 2^45003521243 is an apocalyptic number.

45003521243 is a deficient number, since it is larger than the sum of its proper divisors (1).

45003521243 is an equidigital number, since it uses as much as digits as its factorization.

45003521243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14400, while the sum is 29.

The spelling of 45003521243 in words is "forty-five billion, three million, five hundred twenty-one thousand, two hundred forty-three".