229657545 has 32 divisors (see below), whose sum is σ = 439689600. Its totient is φ = 113061312.

The previous prime is 229657543. The next prime is 229657567. The reversal of 229657545 is 545756922.

229657545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 229657545 - 2¹ = 229657543 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 229657545.

It is not an unprimeable number, because it can be changed into a prime (229657543) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63675 + ... + 67184.

It is an arithmetic number, because the mean of its divisors is an integer number (13740300).

Almost surely, 2^229657545 is an apocalyptic number.

It is an amenable number.

229657545 is a deficient number, since it is larger than the sum of its proper divisors (210032055).

229657545 is a wasteful number, since it uses less digits than its factorization.

229657545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130886 (or 130880 counting only the distinct ones).

The product of its digits is 756000, while the sum is 45.

The square root of 229657545 is about 15154.4562753007. The cubic root of 229657545 is about 612.3883300513.

The spelling of 229657545 in words is "two hundred twenty-nine million, six hundred fifty-seven thousand, five hundred forty-five".