2145052450 has 24 divisors (see below), whose sum is σ = 4163269248. Its totient is φ = 820715280.

The previous prime is 2145052447. The next prime is 2145052487. The reversal of 2145052450 is 542505412.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 931482 + ... + 933781.

It is an arithmetic number, because the mean of its divisors is an integer number (173469552).

Almost surely, 2^2145052450 is an apocalyptic number.

2145052450 is a deficient number, since it is larger than the sum of its proper divisors (2018216798).

2145052450 is a wasteful number, since it uses less digits than its factorization.

2145052450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1865298 (or 1865293 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 2145052450 is about 46314.7109458755. The cubic root of 2145052450 is about 1289.6721018255.

Adding to 2145052450 its reverse (542505412), we get a palindrome (2687557862).

The spelling of 2145052450 in words is "two billion, one hundred forty-five million, fifty-two thousand, four hundred fifty".