2142150543 has 30 divisors (see below), whose sum is σ = 3465113784. Its totient is φ = 1318238064.

The previous prime is 2142150539. The next prime is 2142150551. The reversal of 2142150543 is 3450512412.

It is not a de Polignac number, because 2142150543 - 2² = 2142150539 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2142150533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 64555 + ... + 91932.

Almost surely, 2^2142150543 is an apocalyptic number.

2142150543 is a deficient number, since it is larger than the sum of its proper divisors (1322963241).

2142150543 is a wasteful number, since it uses less digits than its factorization.

2142150543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156525 (or 156503 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 2142150543 is about 46283.3722086021. The cubic root of 2142150543 is about 1289.0902671890.

Adding to 2142150543 its reverse (3450512412), we get a palindrome (5592662955).

The spelling of 2142150543 in words is "two billion, one hundred forty-two million, one hundred fifty thousand, five hundred forty-three".