14542549894 has 16 divisors (see below), whose sum is σ = 22915029600. Its totient is φ = 6908450560.

The previous prime is 14542549843. The next prime is 14542549933. The reversal of 14542549894 is 49894524541.

It is a super-2 number, since 2×14542549894² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1054027 + ... + 1067734.

It is an arithmetic number, because the mean of its divisors is an integer number (1432189350).

Almost surely, 2^14542549894 is an apocalyptic number.

14542549894 is a deficient number, since it is larger than the sum of its proper divisors (8372479706).

14542549894 is a wasteful number, since it uses less digits than its factorization.

14542549894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2121935.

The product of its digits is 8294400, while the sum is 55.

The spelling of 14542549894 in words is "fourteen billion, five hundred forty-two million, five hundred forty-nine thousand, eight hundred ninety-four".