45217743 has 4 divisors (see below), whose sum is σ = 60290328. Its totient is φ = 30145160.

The previous prime is 45217729. The next prime is 45217751. The reversal of 45217743 is 34771254.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45217743 - 2⁹ = 45217231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45217763) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7536288 + ... + 7536293.

It is an arithmetic number, because the mean of its divisors is an integer number (15072582).

Almost surely, 2^45217743 is an apocalyptic number.

45217743 is a deficient number, since it is larger than the sum of its proper divisors (15072585).

45217743 is a wasteful number, since it uses less digits than its factorization.

45217743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15072584.

The product of its digits is 23520, while the sum is 33.

The square root of 45217743 is about 6724.4139521597. The cubic root of 45217743 is about 356.2621028821.

Adding to 45217743 its reverse (34771254), we get a palindrome (79988997).

The spelling of 45217743 in words is "forty-five million, two hundred seventeen thousand, seven hundred forty-three".