229745943 has 16 divisors (see below), whose sum is σ = 388988160. Its totient is φ = 131283288.

The previous prime is 229745927. The next prime is 229745953. The reversal of 229745943 is 349547922.

It is not a de Polignac number, because 229745943 - 2⁴ = 229745927 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229745953) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 607605 + ... + 607982.

It is an arithmetic number, because the mean of its divisors is an integer number (24311760).

Almost surely, 2^229745943 is an apocalyptic number.

229745943 is a deficient number, since it is larger than the sum of its proper divisors (159242217).

229745943 is a wasteful number, since it uses less digits than its factorization.

229745943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1215603 (or 1215597 counting only the distinct ones).

The product of its digits is 544320, while the sum is 45.

The square root of 229745943 is about 15157.3725625519. The cubic root of 229745943 is about 612.4668918936.

The spelling of 229745943 in words is "two hundred twenty-nine million, seven hundred forty-five thousand, nine hundred forty-three".