15454845451 has 4 divisors (see below), whose sum is σ = 15468782400. Its totient is φ = 15440908504.

The previous prime is 15454845397. The next prime is 15454845463.

It is a happy number.

15454845451 is nontrivially palindromic in base 10.

15454845451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 15454845451 - 2¹¹ = 15454843403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15454845151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6966811 + ... + 6969028.

It is an arithmetic number, because the mean of its divisors is an integer number (3867195600).

Almost surely, 2^15454845451 is an apocalyptic number.

15454845451 is a deficient number, since it is larger than the sum of its proper divisors (13936949).

15454845451 is a wasteful number, since it uses less digits than its factorization.

15454845451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13936948.

The product of its digits is 1280000, while the sum is 46.

The spelling of 15454845451 in words is "fifteen billion, four hundred fifty-four million, eight hundred forty-five thousand, four hundred fifty-one".