229149543 has 16 divisors (see below), whose sum is σ = 349753856. Its totient is φ = 130727520.

The previous prime is 229149541. The next prime is 229149563. The reversal of 229149543 is 345941922.

It is not a de Polignac number, because 229149543 - 2¹ = 229149541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229149541) 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, 4605 + ... + 21897.

It is an arithmetic number, because the mean of its divisors is an integer number (21859616).

Almost surely, 2^229149543 is an apocalyptic number.

229149543 is a deficient number, since it is larger than the sum of its proper divisors (120604313).

229149543 is a wasteful number, since it uses less digits than its factorization.

229149543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17934.

The product of its digits is 77760, while the sum is 39.

The square root of 229149543 is about 15137.6861838261. The cubic root of 229149543 is about 611.9364628173.

The spelling of 229149543 in words is "two hundred twenty-nine million, one hundred forty-nine thousand, five hundred forty-three".