2142375 has 32 divisors (see below), whose sum is σ = 3706560. Its totient is φ = 1097600.

The previous prime is 2142353. The next prime is 2142377. The reversal of 2142375 is 5732412.

It is not a de Polignac number, because 2142375 - 2⁹ = 2141863 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2142377) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10777 + ... + 10973.

It is an arithmetic number, because the mean of its divisors is an integer number (115830).

2^2142375 is an apocalyptic number.

2142375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2142375 is a deficient number, since it is larger than the sum of its proper divisors (1564185).

2142375 is a wasteful number, since it uses less digits than its factorization.

2142375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244 (or 234 counting only the distinct ones).

The product of its digits is 1680, while the sum is 24.

The square root of 2142375 is about 1463.6854170210. The cubic root of 2142375 is about 128.9135289737.

Adding to 2142375 its reverse (5732412), we get a palindrome (7874787).

The spelling of 2142375 in words is "two million, one hundred forty-two thousand, three hundred seventy-five".