230203545 has 128 divisors (see below), whose sum is σ = 470292480. Its totient is φ = 94433280.

The previous prime is 230203517. The next prime is 230203559. The reversal of 230203545 is 545302032.

It is not a de Polignac number, because 230203545 - 2⁸ = 230203289 is a prime.

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 127 ways as a sum of consecutive naturals, for example, 2151382 + ... + 2151488.

It is an arithmetic number, because the mean of its divisors is an integer number (3674160).

Almost surely, 2^230203545 is an apocalyptic number.

It is an amenable number.

230203545 is an abundant number, since it is smaller than the sum of its proper divisors (240088935).

230203545 is a wasteful number, since it uses less digits than its factorization.

230203545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215.

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 230203545 is about 15172.4600839811. The cubic root of 230203545 is about 612.8732540997.

Adding to 230203545 its reverse (545302032), we get a palindrome (775505577).

It can be divided in two parts, 23020 and 3545, that added together give a triangular number (26565 = T₂₃₀).

The spelling of 230203545 in words is "two hundred thirty million, two hundred three thousand, five hundred forty-five".