15142032543 has 16 divisors (see below), whose sum is σ = 22982374656. Its totient is φ = 8777989440.

The previous prime is 15142032523. The next prime is 15142032569. The reversal of 15142032543 is 34523024151.

It is not a de Polignac number, because 15142032543 - 2¹⁷ = 15141901471 is a prime.

It is a super-2 number, since 2×15142032543² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 15142032543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15142032523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9974230 + ... + 9975747.

It is an arithmetic number, because the mean of its divisors is an integer number (1436398416).

Almost surely, 2^15142032543 is an apocalyptic number.

15142032543 is a deficient number, since it is larger than the sum of its proper divisors (7840342113).

15142032543 is a wasteful number, since it uses less digits than its factorization.

15142032543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19950014.

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 15142032543 its reverse (34523024151), we get a palindrome (49665056694).

The spelling of 15142032543 in words is "fifteen billion, one hundred forty-two million, thirty-two thousand, five hundred forty-three".