14021513545 has 8 divisors (see below), whose sum is σ = 18120109896. Its totient is φ = 10354348416.

The previous prime is 14021513537. The next prime is 14021513557. The reversal of 14021513545 is 54531512041.

It can be written as a sum of positive squares in 4 ways, for example, as 309337744 + 13712175801 = 17588^2 + 117099^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 14021513545 - 2³ = 14021513537 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107857732 + ... + 107857861.

It is an arithmetic number, because the mean of its divisors is an integer number (2265013737).

Almost surely, 2^14021513545 is an apocalyptic number.

It is an amenable number.

14021513545 is a deficient number, since it is larger than the sum of its proper divisors (4098596351).

14021513545 is a wasteful number, since it uses less digits than its factorization.

14021513545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215715611.

The product of its (nonzero) digits is 12000, while the sum is 31.

The spelling of 14021513545 in words is "fourteen billion, twenty-one million, five hundred thirteen thousand, five hundred forty-five".