4544518154454 has 32 divisors (see below), whose sum is σ = 10264485456480. Its totient is φ = 1490005951200.

The previous prime is 4544518154453. The next prime is 4544518154459.

It is a happy number.

4544518154454 is a `hidden beast` number, since 4 + 5 + 4 + 4 + 5 + 181 + 5 + 4 + 454 = 666.

4544518154454 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 4544518154454.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4544518154453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 689814277 + ... + 689820864.

It is an arithmetic number, because the mean of its divisors is an integer number (320765170515).

Almost surely, 2^{4544518154454} is an apocalyptic number.

4544518154454 is an abundant number, since it is smaller than the sum of its proper divisors (5719967302026).

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

4544518154454 is a wasteful number, since it uses less digits than its factorization.

4544518154454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1379635213 (or 1379635207 counting only the distinct ones).

The product of its digits is 20480000, while the sum is 54.

The spelling of 4544518154454 in words is "four trillion, five hundred forty-four billion, five hundred eighteen million, one hundred fifty-four thousand, four hundred fifty-four".