14505520144 has 20 divisors (see below), whose sum is σ = 28143555840. Its totient is φ = 7242667040.

The previous prime is 14505520109. The next prime is 14505520153. The reversal of 14505520144 is 44102550541.

It is a happy number.

It is a super-2 number, since 2×14505520144² (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 3 ways as a sum of consecutive naturals, for example, 618952 + ... + 641959.

It is an arithmetic number, because the mean of its divisors is an integer number (1407177792).

Almost surely, 2^14505520144 is an apocalyptic number.

It is an amenable number.

14505520144 is a deficient number, since it is larger than the sum of its proper divisors (13638035696).

14505520144 is a wasteful number, since it uses less digits than its factorization.

14505520144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1261638 (or 1261632 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 31.

The spelling of 14505520144 in words is "fourteen billion, five hundred five million, five hundred twenty thousand, one hundred forty-four".