2145051 has 6 divisors (see below), whose sum is σ = 3098420. Its totient is φ = 1430028.

The previous prime is 2145047. The next prime is 2145067. The reversal of 2145051 is 1505412.

2145051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2145051 - 2² = 2145047 is a prime.

It is a Duffinian number.

It is a plaindrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (2145151) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 119161 + ... + 119178.

2^2145051 is an apocalyptic number.

2145051 is a deficient number, since it is larger than the sum of its proper divisors (953369).

2145051 is a wasteful number, since it uses less digits than its factorization.

2145051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238345 (or 238342 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 2145051 is about 1464.5992625971. The cubic root of 2145051 is about 128.9671811230.

The spelling of 2145051 in words is "two million, one hundred forty-five thousand, fifty-one".