2143146 has 16 divisors (see below), whose sum is σ = 4300704. Its totient is φ = 711984.

The previous prime is 2143109. The next prime is 2143147. The reversal of 2143146 is 6413412.

It is not an unprimeable number, because it can be changed into a prime (2143147) 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, 2956 + ... + 3608.

It is an arithmetic number, because the mean of its divisors is an integer number (268794).

2^2143146 is an apocalyptic number.

2143146 is an abundant number, since it is smaller than the sum of its proper divisors (2157558).

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

2143146 is a wasteful number, since it uses less digits than its factorization.

2143146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1205.

The product of its digits is 576, while the sum is 21.

The square root of 2143146 is about 1463.9487695954. The cubic root of 2143146 is about 128.9289916277.

Adding to 2143146 its reverse (6413412), we get a palindrome (8556558).

The spelling of 2143146 in words is "two million, one hundred forty-three thousand, one hundred forty-six".