4545544455454 has 16 divisors (see below), whose sum is σ = 7179834816000. Its totient is φ = 2152354828824.

The previous prime is 4545544455379. The next prime is 4545544455457.

It is a happy number.

4545544455454 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×4545544455454² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4545544455457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22057422 + ... + 22262545.

It is an arithmetic number, because the mean of its divisors is an integer number (448739676000).

Almost surely, 2^{4545544455454} is an apocalyptic number.

4545544455454 is a deficient number, since it is larger than the sum of its proper divisors (2634290360546).

4545544455454 is a wasteful number, since it uses less digits than its factorization.

4545544455454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44322687.

The product of its digits is 256000000, while the sum is 58.

The spelling of 4545544455454 in words is "four trillion, five hundred forty-five billion, five hundred forty-four million, four hundred fifty-five thousand, four hundred fifty-four".