2141544156 has 24 divisors (see below), whose sum is σ = 4998075264. Its totient is φ = 713685360.

The previous prime is 2141544089. The next prime is 2141544157. The reversal of 2141544156 is 6514451412.

It is a super-2 number, since 2×2141544156² = 9172422744195504672, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2141544157) 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, 42201 + ... + 77871.

It is an arithmetic number, because the mean of its divisors is an integer number (208253136).

Almost surely, 2^2141544156 is an apocalyptic number.

It is an amenable number.

2141544156 is an abundant number, since it is smaller than the sum of its proper divisors (2856531108).

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

2141544156 is a wasteful number, since it uses less digits than its factorization.

2141544156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40681 (or 40679 counting only the distinct ones).

The product of its digits is 19200, while the sum is 33.

The square root of 2141544156 is about 46276.8209366201. The cubic root of 2141544156 is about 1288.9686197551.

Adding to 2141544156 its reverse (6514451412), we get a palindrome (8655995568).

The spelling of 2141544156 in words is "two billion, one hundred forty-one million, five hundred forty-four thousand, one hundred fifty-six".