229545727525 has 24 divisors (see below), whose sum is σ = 288792703584. Its totient is φ = 180966456000.

The previous prime is 229545727507. The next prime is 229545727669. The reversal of 229545727525 is 525727545922.

It is not a de Polignac number, because 229545727525 - 2²⁷ = 229411509797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 684450 + ... + 963100.

It is an arithmetic number, because the mean of its divisors is an integer number (12033029316).

Almost surely, 2^229545727525 is an apocalyptic number.

229545727525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

229545727525 is a deficient number, since it is larger than the sum of its proper divisors (59246976059).

229545727525 is a wasteful number, since it uses less digits than its factorization.

229545727525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279141 (or 279136 counting only the distinct ones).

The product of its digits is 17640000, while the sum is 55.

The spelling of 229545727525 in words is "two hundred twenty-nine billion, five hundred forty-five million, seven hundred twenty-seven thousand, five hundred twenty-five".