229664545 has 16 divisors (see below), whose sum is σ = 313725312. Its totient is φ = 159765760.

The previous prime is 229664527. The next prime is 229664651. The reversal of 229664545 is 545466922.

It is not a de Polignac number, because 229664545 - 2²³ = 221275937 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 89512 + ... + 92041.

It is an arithmetic number, because the mean of its divisors is an integer number (19607832).

Almost surely, 2^229664545 is an apocalyptic number.

It is an amenable number.

229664545 is a deficient number, since it is larger than the sum of its proper divisors (84060767).

229664545 is a wasteful number, since it uses less digits than its factorization.

229664545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181592.

The product of its digits is 518400, while the sum is 43.

The square root of 229664545 is about 15154.6872287091. The cubic root of 229664545 is about 612.3945518873.

The spelling of 229664545 in words is "two hundred twenty-nine million, six hundred sixty-four thousand, five hundred forty-five".