45011243 has 4 divisors (see below), whose sum is σ = 45025800. Its totient is φ = 44996688.

The previous prime is 45011233. The next prime is 45011249. The reversal of 45011243 is 34211054.

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 45011243 - 2⁴ = 45011227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45011249) 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, 593 + ... + 9506.

It is an arithmetic number, because the mean of its divisors is an integer number (11256450).

Almost surely, 2^45011243 is an apocalyptic number.

45011243 is a deficient number, since it is larger than the sum of its proper divisors (14557).

45011243 is a wasteful number, since it uses less digits than its factorization.

45011243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14556.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 45011243 is about 6709.0418839056. The cubic root of 45011243 is about 355.7189503167.

Adding to 45011243 its reverse (34211054), we get a palindrome (79222297).

It can be divided in two parts, 45011 and 243, that added together give a palindrome (45254).

The spelling of 45011243 in words is "forty-five million, eleven thousand, two hundred forty-three".