14540444152 has 128 divisors (see below), whose sum is σ = 31516531200. Its totient is φ = 6236600832.

The previous prime is 14540444143. The next prime is 14540444189. The reversal of 14540444152 is 25144404541.

It is a super-2 number, since 2×14540444152² (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 31 ways as a sum of consecutive naturals, for example, 38365099 + ... + 38365477.

It is an arithmetic number, because the mean of its divisors is an integer number (246222900).

Almost surely, 2^14540444152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14540444152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15758265600).

14540444152 is an abundant number, since it is smaller than the sum of its proper divisors (16976087048).

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

14540444152 is a wasteful number, since it uses less digits than its factorization.

14540444152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 837 (or 833 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 34.

Adding to 14540444152 its reverse (25144404541), we get a palindrome (39684848693).

The spelling of 14540444152 in words is "fourteen billion, five hundred forty million, four hundred forty-four thousand, one hundred fifty-two".