45448243 has 4 divisors (see below), whose sum is σ = 45780120. Its totient is φ = 45116368.

The previous prime is 45448237. The next prime is 45448289. The reversal of 45448243 is 34284454.

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 45448243 - 2¹⁷ = 45317171 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45448199 and 45448208.

It is not an unprimeable number, because it can be changed into a prime (45448343) 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, 165733 + ... + 166006.

It is an arithmetic number, because the mean of its divisors is an integer number (11445030).

Almost surely, 2^45448243 is an apocalyptic number.

45448243 is the 3604-th centered heptagonal number.

45448243 is a deficient number, since it is larger than the sum of its proper divisors (331877).

45448243 is a wasteful number, since it uses less digits than its factorization.

45448243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331876.

The product of its digits is 61440, while the sum is 34.

The square root of 45448243 is about 6741.5312058908. The cubic root of 45448243 is about 356.8664325743.

The spelling of 45448243 in words is "forty-five million, four hundred forty-eight thousand, two hundred forty-three".