45033643 has 2 divisors, whose sum is σ = 45033644. Its totient is φ = 45033642.

The previous prime is 45033641. The next prime is 45033649. The reversal of 45033643 is 34633054.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45033643 - 2¹ = 45033641 is a prime.

Together with 45033641, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (45033641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22516821 + 22516822.

It is an arithmetic number, because the mean of its divisors is an integer number (22516822).

Almost surely, 2^45033643 is an apocalyptic number.

45033643 is a deficient number, since it is larger than the sum of its proper divisors (1).

45033643 is an equidigital number, since it uses as much as digits as its factorization.

45033643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 28.

The square root of 45033643 is about 6710.7110651555. The cubic root of 45033643 is about 355.7779487842. Note that the first 3 decimals are identical.

Adding to 45033643 its reverse (34633054), we get a palindrome (79666697).

The spelling of 45033643 in words is "forty-five million, thirty-three thousand, six hundred forty-three".