45243243 has 12 divisors (see below), whose sum is σ = 65474760. Its totient is φ = 30105216.

The previous prime is 45243227. The next prime is 45243269. The reversal of 45243243 is 34234254.

It is not a de Polignac number, because 45243243 - 2⁴ = 45243227 is a prime.

45243243 is a modest number, since divided by 243243 gives 45 as remainder.

It is not an unprimeable number, because it can be changed into a prime (45243203) 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, 603 + ... + 9531.

It is an arithmetic number, because the mean of its divisors is an integer number (5456230).

Almost surely, 2^45243243 is an apocalyptic number.

45243243 is a deficient number, since it is larger than the sum of its proper divisors (20231517).

45243243 is a wasteful number, since it uses less digits than its factorization.

45243243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9498 (or 9495 counting only the distinct ones).

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

The square root of 45243243 is about 6726.3097609313. The cubic root of 45243243 is about 356.3290602004.

Adding to 45243243 its reverse (34234254), we get a palindrome (79477497).

The spelling of 45243243 in words is "forty-five million, two hundred forty-three thousand, two hundred forty-three".