229168154 has 12 divisors (see below), whose sum is σ = 349687914. Its totient is φ = 112638552.

The previous prime is 229168133. The next prime is 229168157. The reversal of 229168154 is 451861922.

It can be written as a sum of positive squares in only one way, i.e., 192238225 + 36929929 = 13865^2 + 6077^2 .

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (229168157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9497 + ... + 23420.

Almost surely, 2^229168154 is an apocalyptic number.

229168154 is a deficient number, since it is larger than the sum of its proper divisors (120519760).

229168154 is an equidigital number, since it uses as much as digits as its factorization.

229168154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33037 (or 32978 counting only the distinct ones).

The product of its digits is 34560, while the sum is 38.

The square root of 229168154 is about 15138.3008954110. The cubic root of 229168154 is about 611.9530290606.

The spelling of 229168154 in words is "two hundred twenty-nine million, one hundred sixty-eight thousand, one hundred fifty-four".