230545541 has 4 divisors (see below), whose sum is σ = 231273132. Its totient is φ = 229817952.

The previous prime is 230545507. The next prime is 230545547. The reversal of 230545541 is 145545032.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 132733441 + 97812100 = 11521^2 + 9890^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-230545541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230545547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 363320 + ... + 363953.

It is an arithmetic number, because the mean of its divisors is an integer number (57818283).

Almost surely, 2^230545541 is an apocalyptic number.

It is an amenable number.

230545541 is a deficient number, since it is larger than the sum of its proper divisors (727591).

230545541 is an equidigital number, since it uses as much as digits as its factorization.

230545541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 727590.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 230545541 is about 15183.7261895755. The cubic root of 230545541 is about 613.1766037452.

The spelling of 230545541 in words is "two hundred thirty million, five hundred forty-five thousand, five hundred forty-one".