2145154152 has 16 divisors (see below), whose sum is σ = 5362885440. Its totient is φ = 715051376.

The previous prime is 2145154111. The next prime is 2145154183. The reversal of 2145154152 is 2514515412.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44690688 + ... + 44690735.

It is an arithmetic number, because the mean of its divisors is an integer number (335180340).

Almost surely, 2^2145154152 is an apocalyptic number.

It is an amenable number.

2145154152 is an abundant number, since it is smaller than the sum of its proper divisors (3217731288).

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

2145154152 is a wasteful number, since it uses less digits than its factorization.

2145154152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89381432 (or 89381428 counting only the distinct ones).

The product of its digits is 8000, while the sum is 30.

The square root of 2145154152 is about 46315.8088777471. The cubic root of 2145154152 is about 1289.6924836363.

Adding to 2145154152 its reverse (2514515412), we get a palindrome (4659669564).

The spelling of 2145154152 in words is "two billion, one hundred forty-five million, one hundred fifty-four thousand, one hundred fifty-two".