4544455145 has 16 divisors (see below), whose sum is σ = 5582787840. Its totient is φ = 3549642624.

The previous prime is 4544455109. The next prime is 4544455177. The reversal of 4544455145 is 5415544454.

It is a cyclic number.

It is not a de Polignac number, because 4544455145 - 2⁶ = 4544455081 is a prime.

It is an unprimeable number.

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, 75389 + ... + 121541.

It is an arithmetic number, because the mean of its divisors is an integer number (348924240).

Almost surely, 2^4544455145 is an apocalyptic number.

It is an amenable number.

4544455145 is a deficient number, since it is larger than the sum of its proper divisors (1038332695).

4544455145 is a wasteful number, since it uses less digits than its factorization.

4544455145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46624.

The product of its digits is 640000, while the sum is 41.

The square root of 4544455145 is about 67412.5740867384. The cubic root of 4544455145 is about 1656.3823993458.

Adding to 4544455145 its reverse (5415544454), we get a palindrome (9959999599).

The spelling of 4544455145 in words is "four billion, five hundred forty-four million, four hundred fifty-five thousand, one hundred forty-five".