2144653 has 8 divisors (see below), whose sum is σ = 2468480. Its totient is φ = 1825200.

The previous prime is 2144647. The next prime is 2144671. The reversal of 2144653 is 3564412.

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

It is a cyclic number.

It is not a de Polignac number, because 2144653 - 2⁵ = 2144621 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2144683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43 + ... + 2071.

It is an arithmetic number, because the mean of its divisors is an integer number (308560).

2^2144653 is an apocalyptic number.

It is an amenable number.

2144653 is a deficient number, since it is larger than the sum of its proper divisors (323827).

2144653 is a wasteful number, since it uses less digits than its factorization.

2144653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2187.

The product of its digits is 2880, while the sum is 25.

The square root of 2144653 is about 1464.4633829495. The cubic root of 2144653 is about 128.9592042944.

The spelling of 2144653 in words is "two million, one hundred forty-four thousand, six hundred fifty-three".