2142355 has 4 divisors (see below), whose sum is σ = 2570832. Its totient is φ = 1713880.

The previous prime is 2142353. The next prime is 2142377. The reversal of 2142355 is 5532412.

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

It is not a de Polignac number, because 2142355 - 2¹ = 2142353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2142353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214231 + ... + 214240.

It is an arithmetic number, because the mean of its divisors is an integer number (642708).

2^2142355 is an apocalyptic number.

2142355 is a deficient number, since it is larger than the sum of its proper divisors (428477).

2142355 is an equidigital number, since it uses as much as digits as its factorization.

2142355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428476.

The product of its digits is 1200, while the sum is 22.

The square root of 2142355 is about 1463.6785849359. The cubic root of 2142355 is about 128.9131278179.

Adding to 2142355 its reverse (5532412), we get a palindrome (7674767).

The spelling of 2142355 in words is "two million, one hundred forty-two thousand, three hundred fifty-five".