2146542 has 16 divisors (see below), whose sum is σ = 4309632. Its totient is φ = 712760.

The previous prime is 2146531. The next prime is 2146549. The reversal of 2146542 is 2456412.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a d-powerful number, because it can be written as 2¹⁵ + 1 + 4² + 6³ + 5 + 4⁷ + 2²¹ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2146549) 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, 1567 + ... + 2597.

It is an arithmetic number, because the mean of its divisors is an integer number (269352).

2^2146542 is an apocalyptic number.

2146542 is an abundant number, since it is smaller than the sum of its proper divisors (2163090).

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

2146542 is a wasteful number, since it uses less digits than its factorization.

2146542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1383.

The product of its digits is 1920, while the sum is 24.

The square root of 2146542 is about 1465.1081871316. The cubic root of 2146542 is about 128.9970553982.

The spelling of 2146542 in words is "two million, one hundred forty-six thousand, five hundred forty-two".