2145131500332 has 24 divisors (see below), whose sum is σ = 5140585398256. Its totient is φ = 695718324288.

The previous prime is 2145131500327. The next prime is 2145131500361. The reversal of 2145131500332 is 2330051315412.

It is a super-2 number, since 2×2145131500332² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2145131500332.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2415688183 + ... + 2415689070.

Almost surely, 2^{2145131500332} is an apocalyptic number.

It is an amenable number.

2145131500332 is an abundant number, since it is smaller than the sum of its proper divisors (2995453897924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2145131500332 is a wasteful number, since it uses less digits than its factorization.

2145131500332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4831377297 (or 4831377295 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

Adding to 2145131500332 its reverse (2330051315412), we get a palindrome (4475182815744).

The spelling of 2145131500332 in words is "two trillion, one hundred forty-five billion, one hundred thirty-one million, five hundred thousand, three hundred thirty-two".