2145203210 has 8 divisors (see below), whose sum is σ = 3861365796. Its totient is φ = 858081280.

The previous prime is 2145203201. The next prime is 2145203237. The reversal of 2145203210 is 123025412.

It can be written as a sum of positive squares in 2 ways, for example, as 2088215809 + 56987401 = 45697^2 + 7549^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107260151 + ... + 107260170.

Almost surely, 2^2145203210 is an apocalyptic number.

2145203210 is a deficient number, since it is larger than the sum of its proper divisors (1716162586).

2145203210 is a wasteful number, since it uses less digits than its factorization.

2145203210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214520328.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 2145203210 is about 46316.3384779065. The cubic root of 2145203210 is about 1289.7023149813.

Adding to 2145203210 its reverse (123025412), we get a palindrome (2268228622).

The spelling of 2145203210 in words is "two billion, one hundred forty-five million, two hundred three thousand, two hundred ten".