14145665740 has 24 divisors (see below), whose sum is σ = 30081925440. Its totient is φ = 5586642048.

The previous prime is 14145665731. The next prime is 14145665741. The reversal of 14145665740 is 4756654141.

It is not an unprimeable number, because it can be changed into a prime (14145665741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4474897 + ... + 4478056.

It is an arithmetic number, because the mean of its divisors is an integer number (1253413560).

Almost surely, 2^14145665740 is an apocalyptic number.

14145665740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14145665740 is an abundant number, since it is smaller than the sum of its proper divisors (15936259700).

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

14145665740 is a wasteful number, since it uses less digits than its factorization.

14145665740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8953041 (or 8953039 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 43.

The spelling of 14145665740 in words is "fourteen billion, one hundred forty-five million, six hundred sixty-five thousand, seven hundred forty".