2145268 has 12 divisors (see below), whose sum is σ = 3834432. Its totient is φ = 1049720.

The previous prime is 2145263. The next prime is 2145277. The reversal of 2145268 is 8625412.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2145263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5518 + ... + 5893.

It is an arithmetic number, because the mean of its divisors is an integer number (319536).

2^2145268 is an apocalyptic number.

It is an amenable number.

2145268 is a deficient number, since it is larger than the sum of its proper divisors (1689164).

2145268 is a wasteful number, since it uses less digits than its factorization.

2145268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11462 (or 11460 counting only the distinct ones).

The product of its digits is 3840, while the sum is 28.

The square root of 2145268 is about 1464.6733424214. The cubic root of 2145268 is about 128.9715298828.

The spelling of 2145268 in words is "two million, one hundred forty-five thousand, two hundred sixty-eight".