229403945 has 8 divisors (see below), whose sum is σ = 281142144. Its totient is φ = 179618224.

The previous prime is 229403903. The next prime is 229403947. The reversal of 229403945 is 549304922.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-229403945 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 229403899 and 229403908.

It is not an unprimeable number, because it can be changed into a prime (229403947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 487859 + ... + 488328.

It is an arithmetic number, because the mean of its divisors is an integer number (35142768).

Almost surely, 2^229403945 is an apocalyptic number.

It is an amenable number.

229403945 is a deficient number, since it is larger than the sum of its proper divisors (51738199).

229403945 is an equidigital number, since it uses as much as digits as its factorization.

229403945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 976239.

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 229403945 is about 15146.0867883424. The cubic root of 229403945 is about 612.1628365095.

The spelling of 229403945 in words is "two hundred twenty-nine million, four hundred three thousand, nine hundred forty-five".