45415243 has 8 divisors (see below), whose sum is σ = 46726928. Its totient is φ = 44108064.

The previous prime is 45415163. The next prime is 45415259. The reversal of 45415243 is 34251454.

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 45415243 - 2²⁵ = 11860811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45415273) 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, 39880 + ... + 41002.

It is an arithmetic number, because the mean of its divisors is an integer number (5840866).

Almost surely, 2^45415243 is an apocalyptic number.

45415243 is a deficient number, since it is larger than the sum of its proper divisors (1311685).

45415243 is a wasteful number, since it uses less digits than its factorization.

45415243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2253.

The product of its digits is 9600, while the sum is 28.

The square root of 45415243 is about 6739.0832462584. The cubic root of 45415243 is about 356.7800380078.

Subtracting from 45415243 its sum of digits (28), we obtain a triangular number (45415215 = T₉₅₃₀).

Adding to 45415243 its reverse (34251454), we get a palindrome (79666697).

The spelling of 45415243 in words is "forty-five million, four hundred fifteen thousand, two hundred forty-three".