14151444557 has 4 divisors (see below), whose sum is σ = 14297335836. Its totient is φ = 14005553280.

The previous prime is 14151444551. The next prime is 14151444583. The reversal of 14151444557 is 75544415141.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10224040996 + 3927403561 = 101114^2 + 62669^2 .

It is a cyclic number.

It is not a de Polignac number, because 14151444557 - 2²² = 14147250253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14151444551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72945494 + ... + 72945687.

It is an arithmetic number, because the mean of its divisors is an integer number (3574333959).

Almost surely, 2^14151444557 is an apocalyptic number.

It is an amenable number.

14151444557 is a deficient number, since it is larger than the sum of its proper divisors (145891279).

14151444557 is an equidigital number, since it uses as much as digits as its factorization.

14151444557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145891278.

The product of its digits is 224000, while the sum is 41.

Adding to 14151444557 its reverse (75544415141), we get a palindrome (89695859698).

The spelling of 14151444557 in words is "fourteen billion, one hundred fifty-one million, four hundred forty-four thousand, five hundred fifty-seven".