2145232502 has 32 divisors (see below), whose sum is σ = 3701376000. Its totient is φ = 913449888.

The previous prime is 2145232501. The next prime is 2145232511. The reversal of 2145232502 is 2052325412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2145232501) 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, 1753463 + ... + 1754685.

It is an arithmetic number, because the mean of its divisors is an integer number (115668000).

Almost surely, 2^2145232502 is an apocalyptic number.

2145232502 is a deficient number, since it is larger than the sum of its proper divisors (1556143498).

2145232502 is a wasteful number, since it uses less digits than its factorization.

2145232502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1940.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 2145232502 is about 46316.6546935333. The cubic root of 2145232502 is about 1289.7081850993.

Adding to 2145232502 its reverse (2052325412), we get a palindrome (4197557914).

The spelling of 2145232502 in words is "two billion, one hundred forty-five million, two hundred thirty-two thousand, five hundred two".