14740145281 has 9 divisors (see below), whose sum is σ = 14849363649. Its totient is φ = 14631727044.

The previous prime is 14740145249. The next prime is 14740145293. The reversal of 14740145281 is 18254104741.

It is a happy number.

The square root of 14740145281 is 121409.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 14740145281 - 2⁵ = 14740145249 is a prime.

It is a super-2 number, since 2×14740145281² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14740145281.

It is not an unprimeable number, because it can be changed into a prime (14740140281) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 20274940 + ... + 20275666.

Almost surely, 2^14740145281 is an apocalyptic number.

14740145281 is the 121409-th square number.

14740145281 is the 60705-th centered octagonal number.

It is an amenable number.

14740145281 is a deficient number, since it is larger than the sum of its proper divisors (109218368).

14740145281 is an frugal number, since it uses more digits than its factorization.

14740145281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1788 (or 894 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 37.

The spelling of 14740145281 in words is "fourteen billion, seven hundred forty million, one hundred forty-five thousand, two hundred eighty-one".