14203421154 has 144 divisors (see below), whose sum is σ = 35482224960. Its totient is φ = 4080913920.

The previous prime is 14203421143. The next prime is 14203421161. The reversal of 14203421154 is 45112430241.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 9399259 + ... + 9400769.

It is an arithmetic number, because the mean of its divisors is an integer number (246404340).

Almost surely, 2^14203421154 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14203421154, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17741112480).

14203421154 is an abundant number, since it is smaller than the sum of its proper divisors (21278803806).

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

14203421154 is a wasteful number, since it uses less digits than its factorization.

14203421154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1705 (or 1685 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 14203421154 its reverse (45112430241), we get a palindrome (59315851395).

The spelling of 14203421154 in words is "fourteen billion, two hundred three million, four hundred twenty-one thousand, one hundred fifty-four".