2144959 has 4 divisors (see below), whose sum is σ = 2174416. Its totient is φ = 2115504.

The previous prime is 2144953. The next prime is 2144971. The reversal of 2144959 is 9594412.

2144959 = T₂₀₅ + T₂₀₆ + ... + T₂₇₇.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2144959 - 2³ = 2144951 is a prime.

It is a super-2 number, since 2×2144959² = 9201698223362, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2144951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14619 + ... + 14764.

It is an arithmetic number, because the mean of its divisors is an integer number (543604).

2^2144959 is an apocalyptic number.

2144959 is a deficient number, since it is larger than the sum of its proper divisors (29457).

2144959 is an equidigital number, since it uses as much as digits as its factorization.

2144959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29456.

The product of its digits is 12960, while the sum is 34.

The square root of 2144959 is about 1464.5678543516. The cubic root of 2144959 is about 128.9653373207.

The spelling of 2144959 in words is "two million, one hundred forty-four thousand, nine hundred fifty-nine".