2144915 has 8 divisors (see below), whose sum is σ = 2636928. Its totient is φ = 1673920.

The previous prime is 2144899. The next prime is 2144951. The reversal of 2144915 is 5194412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2144915 - 2⁴ = 2144899 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5027 + ... + 5436.

It is an arithmetic number, because the mean of its divisors is an integer number (329616).

2^2144915 is an apocalyptic number.

2144915 is a deficient number, since it is larger than the sum of its proper divisors (492013).

2144915 is a wasteful number, since it uses less digits than its factorization.

2144915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10509.

The product of its digits is 1440, while the sum is 26.

The square root of 2144915 is about 1464.5528327787. The cubic root of 2144915 is about 128.9644554835.

The spelling of 2144915 in words is "two million, one hundred forty-four thousand, nine hundred fifteen".