2143154260 has 96 divisors (see below), whose sum is σ = 5075239680. Its totient is φ = 754271232.

The previous prime is 2143154257. The next prime is 2143154287. The reversal of 2143154260 is 624513412.

It is a super-2 number, since 2×2143154260² = 9186220364312295200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2648736 + ... + 2649544.

It is an arithmetic number, because the mean of its divisors is an integer number (52867080).

Almost surely, 2^2143154260 is an apocalyptic number.

2143154260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2143154260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2537619840).

2143154260 is an abundant number, since it is smaller than the sum of its proper divisors (2932085420).

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

2143154260 is a wasteful number, since it uses less digits than its factorization.

2143154260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1297 (or 1295 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 2143154260 is about 46294.2141093247. The cubic root of 2143154260 is about 1289.2915726461.

Adding to 2143154260 its reverse (624513412), we get a palindrome (2767667672).

The spelling of 2143154260 in words is "two billion, one hundred forty-three million, one hundred fifty-four thousand, two hundred sixty".