45342243 has 12 divisors (see below), whose sum is σ = 67607488. Its totient is φ = 29252880.

The previous prime is 45342239. The next prime is 45342251. The reversal of 45342243 is 34224354.

It is not a de Polignac number, because 45342243 - 2² = 45342239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45342203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 80980 + ... + 81537.

Almost surely, 2^45342243 is an apocalyptic number.

45342243 is a deficient number, since it is larger than the sum of its proper divisors (22265245).

45342243 is a wasteful number, since it uses less digits than its factorization.

45342243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162554 (or 162551 counting only the distinct ones).

The product of its digits is 11520, while the sum is 27.

The square root of 45342243 is about 6733.6649010773. The cubic root of 45342243 is about 356.5887739569.

Adding to 45342243 its reverse (34224354), we get a palindrome (79566597).

The spelling of 45342243 in words is "forty-five million, three hundred forty-two thousand, two hundred forty-three".