14542843428 has 72 divisors (see below), whose sum is σ = 38738874720. Its totient is φ = 4587373440.

The previous prime is 14542843417. The next prime is 14542843463. The reversal of 14542843428 is 82434824541.

14542843428 is a `hidden beast` number, since 1 + 4 + 542 + 84 + 3 + 4 + 28 = 666.

It is a super-2 number, since 2×14542843428² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 629563 + ... + 652253.

Almost surely, 2^14542843428 is an apocalyptic number.

14542843428 is a gapful number since it is divisible by the number (18) 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 14542843428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19369437360).

14542843428 is an abundant number, since it is smaller than the sum of its proper divisors (24196031292).

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

14542843428 is a wasteful number, since it uses less digits than its factorization.

14542843428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23657 (or 23652 counting only the distinct ones).

The product of its digits is 983040, while the sum is 45.

The spelling of 14542843428 in words is "fourteen billion, five hundred forty-two million, eight hundred forty-three thousand, four hundred twenty-eight".