45247543 has 8 divisors (see below), whose sum is σ = 50170896. Its totient is φ = 40459200.

The previous prime is 45247541. The next prime is 45247547. The reversal of 45247543 is 34574254.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45247543 - 2¹ = 45247541 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45247499 and 45247508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45247541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33046 + ... + 34387.

It is an arithmetic number, because the mean of its divisors is an integer number (6271362).

Almost surely, 2^45247543 is an apocalyptic number.

45247543 is a deficient number, since it is larger than the sum of its proper divisors (4923353).

45247543 is a wasteful number, since it uses less digits than its factorization.

45247543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67505.

The product of its digits is 67200, while the sum is 34.

The square root of 45247543 is about 6726.6293936860. The cubic root of 45247543 is about 356.3403485632.

Subtracting from 45247543 its reverse (34574254), we obtain a square (10673289 = 3267²).

The spelling of 45247543 in words is "forty-five million, two hundred forty-seven thousand, five hundred forty-three".