2152145244 has 24 divisors (see below), whose sum is σ = 5030867968. Its totient is φ = 716068080.

The previous prime is 2152145221. The next prime is 2152145267. The reversal of 2152145244 is 4425412512.

It is an interprime number because it is at equal distance from previous prime (2152145221) and next prime (2152145267).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157372 + ... + 170499.

Almost surely, 2^2152145244 is an apocalyptic number.

It is an amenable number.

2152145244 is an abundant number, since it is smaller than the sum of its proper divisors (2878722724).

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

2152145244 is a wasteful number, since it uses less digits than its factorization.

2152145244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328425 (or 328423 counting only the distinct ones).

The product of its digits is 12800, while the sum is 30.

The square root of 2152145244 is about 46391.2194709301. The cubic root of 2152145244 is about 1291.0920072513.

Adding to 2152145244 its reverse (4425412512), we get a palindrome (6577557756).

The spelling of 2152145244 in words is "two billion, one hundred fifty-two million, one hundred forty-five thousand, two hundred forty-four".