2144742 has 16 divisors (see below), whose sum is σ = 4405872. Its totient is φ = 695520.

The previous prime is 2144731. The next prime is 2144743. The reversal of 2144742 is 2474412.

2144742 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2144743) 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 7 ways as a sum of consecutive naturals, for example, 4609 + ... + 5052.

It is an arithmetic number, because the mean of its divisors is an integer number (275367).

2^2144742 is an apocalyptic number.

2144742 is an abundant number, since it is smaller than the sum of its proper divisors (2261130).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2144742 is a wasteful number, since it uses less digits than its factorization.

2144742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9703.

The product of its digits is 1792, while the sum is 24.

The square root of 2144742 is about 1464.4937691913. The cubic root of 2144742 is about 128.9609881432.

The spelling of 2144742 in words is "two million, one hundred forty-four thousand, seven hundred forty-two".