2146531244 has 24 divisors (see below), whose sum is σ = 4413149328. Its totient is φ = 900642240.

The previous prime is 2146531237. The next prime is 2146531279. The reversal of 2146531244 is 4421356412.

It is a self number, because there is not a number n which added to its sum of digits gives 2146531244.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1875767 + ... + 1876910.

It is an arithmetic number, because the mean of its divisors is an integer number (183881222).

Almost surely, 2^2146531244 is an apocalyptic number.

It is an amenable number.

2146531244 is an abundant number, since it is smaller than the sum of its proper divisors (2266618084).

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

2146531244 is a wasteful number, since it uses less digits than its factorization.

2146531244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3752705 (or 3752703 counting only the distinct ones).

The product of its digits is 23040, while the sum is 32.

The square root of 2146531244 is about 46330.6728204977. The cubic root of 2146531244 is about 1289.9683993621.

Adding to 2146531244 its reverse (4421356412), we get a palindrome (6567887656).

The spelling of 2146531244 in words is "two billion, one hundred forty-six million, five hundred thirty-one thousand, two hundred forty-four".