4545454400144 has 80 divisors (see below), whose sum is σ = 10266869116416. Its totient is φ = 1909198425600.

The previous prime is 4545454400131. The next prime is 4545454400161. The reversal of 4545454400144 is 4410044545454.

It is a happy number.

It is a super-2 number, since 2×4545454400144² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4545454400095 and 4545454400104.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 691529 + ... + 3093399.

Almost surely, 2^{4545454400144} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4545454400144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5133434558208).

4545454400144 is an abundant number, since it is smaller than the sum of its proper divisors (5721414716272).

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

4545454400144 is a wasteful number, since it uses less digits than its factorization.

4545454400144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2402224 (or 2402218 counting only the distinct ones).

The product of its (nonzero) digits is 2048000, while the sum is 44.

Adding to 4545454400144 its reverse (4410044545454), we get a palindrome (8955498945598).

The spelling of 4545454400144 in words is "four trillion, five hundred forty-five billion, four hundred fifty-four million, four hundred thousand, one hundred forty-four".