2145203230 has 32 divisors (see below), whose sum is σ = 4011311808. Its totient is φ = 825350400.

The previous prime is 2145203201. The next prime is 2145203237. The reversal of 2145203230 is 323025412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2145203237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7737 + ... + 65956.

It is an arithmetic number, because the mean of its divisors is an integer number (125353494).

Almost surely, 2^2145203230 is an apocalyptic number.

2145203230 is a deficient number, since it is larger than the sum of its proper divisors (1866108578).

2145203230 is a wasteful number, since it uses less digits than its factorization.

2145203230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73812.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 2145203230 is about 46316.3386938130. The cubic root of 2145203230 is about 1289.7023189893.

Adding to 2145203230 its reverse (323025412), we get a palindrome (2468228642).

The spelling of 2145203230 in words is "two billion, one hundred forty-five million, two hundred three thousand, two hundred thirty".