14155554457 has 4 divisors (see below), whose sum is σ = 15442423056. Its totient is φ = 12868685860.

The previous prime is 14155554383. The next prime is 14155554481. The reversal of 14155554457 is 75445555141.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 75445555141 = 11 ⋅6858686831.

It is a cyclic number.

It is not a de Polignac number, because 14155554457 - 2¹¹ = 14155552409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14155554487) 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, 643434283 + ... + 643434304.

It is an arithmetic number, because the mean of its divisors is an integer number (3860605764).

Almost surely, 2^14155554457 is an apocalyptic number.

It is an amenable number.

14155554457 is a deficient number, since it is larger than the sum of its proper divisors (1286868599).

14155554457 is a wasteful number, since it uses less digits than its factorization.

14155554457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1286868598.

The product of its digits is 1400000, while the sum is 46.

The spelling of 14155554457 in words is "fourteen billion, one hundred fifty-five million, five hundred fifty-four thousand, four hundred fifty-seven".