229785645 has 8 divisors (see below), whose sum is σ = 367657056. Its totient is φ = 122552336.

The previous prime is 229785643. The next prime is 229785683. The reversal of 229785645 is 546587922.

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

It is a cyclic number.

It is not a de Polignac number, because 229785645 - 2¹ = 229785643 is a prime.

It is a super-3 number, since 3×229785645³ (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 229785594 and 229785603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229785643) 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, 7659507 + ... + 7659536.

It is an arithmetic number, because the mean of its divisors is an integer number (45957132).

Almost surely, 2^229785645 is an apocalyptic number.

It is an amenable number.

229785645 is a deficient number, since it is larger than the sum of its proper divisors (137871411).

229785645 is a wasteful number, since it uses less digits than its factorization.

229785645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15319051.

The product of its digits is 1209600, while the sum is 48.

The square root of 229785645 is about 15158.6821656765. The cubic root of 229785645 is about 612.5021696438.

The spelling of 229785645 in words is "two hundred twenty-nine million, seven hundred eighty-five thousand, six hundred forty-five".