2142154 has 16 divisors (see below), whose sum is σ = 3742848. Its totient is φ = 900432.

The previous prime is 2142149. The next prime is 2142163. The reversal of 2142154 is 4512412.

2142154 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 an unprimeable number.

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, 702 + ... + 2185.

It is an arithmetic number, because the mean of its divisors is an integer number (233928).

2^2142154 is an apocalyptic number.

2142154 is a deficient number, since it is larger than the sum of its proper divisors (1600694).

2142154 is a wasteful number, since it uses less digits than its factorization.

2142154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2949.

The product of its digits is 320, while the sum is 19.

The square root of 2142154 is about 1463.6099207097. The cubic root of 2142154 is about 128.9090960633.

Adding to 2142154 its reverse (4512412), we get a palindrome (6654566).

The spelling of 2142154 in words is "two million, one hundred forty-two thousand, one hundred fifty-four".