156428543 has 16 divisors (see below), whose sum is σ = 174493440. Its totient is φ = 139472256.

The previous prime is 156428491. The next prime is 156428551. The reversal of 156428543 is 345824651.

It is a cyclic number.

It is not a de Polignac number, because 156428543 - 2¹² = 156424447 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 156428497 and 156428506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156428143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39968 + ... + 43706.

It is an arithmetic number, because the mean of its divisors is an integer number (10905840).

Almost surely, 2^156428543 is an apocalyptic number.

156428543 is a deficient number, since it is larger than the sum of its proper divisors (18064897).

156428543 is a wasteful number, since it uses less digits than its factorization.

156428543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3886.

The product of its digits is 115200, while the sum is 38.

The square root of 156428543 is about 12507.1396809982. The cubic root of 156428543 is about 538.8137460079.

The spelling of 156428543 in words is "one hundred fifty-six million, four hundred twenty-eight thousand, five hundred forty-three".