229149903 has 4 divisors (see below), whose sum is σ = 305533208. Its totient is φ = 152766600.

The previous prime is 229149889. The next prime is 229149913. The reversal of 229149903 is 309941922.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 229149903 - 2⁵ = 229149871 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 (229149913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38191648 + ... + 38191653.

It is an arithmetic number, because the mean of its divisors is an integer number (76383302).

Almost surely, 2^229149903 is an apocalyptic number.

229149903 is a deficient number, since it is larger than the sum of its proper divisors (76383305).

229149903 is an equidigital number, since it uses as much as digits as its factorization.

229149903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76383304.

The product of its (nonzero) digits is 34992, while the sum is 39.

The square root of 229149903 is about 15137.6980746744. The cubic root of 229149903 is about 611.9367832733.

The spelling of 229149903 in words is "two hundred twenty-nine million, one hundred forty-nine thousand, nine hundred three".