4455144993 has 32 divisors (see below), whose sum is σ = 6692700672. Its totient is φ = 2617804800.

The previous prime is 4455144973. The next prime is 4455145003. The reversal of 4455144993 is 3994415544.

It is not a de Polignac number, because 4455144993 - 2⁵ = 4455144961 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (4455144973) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45513 + ... + 104793.

It is an arithmetic number, because the mean of its divisors is an integer number (209146896).

Almost surely, 2^4455144993 is an apocalyptic number.

It is an amenable number.

4455144993 is a deficient number, since it is larger than the sum of its proper divisors (2237555679).

4455144993 is a wasteful number, since it uses less digits than its factorization.

4455144993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59385.

The product of its digits is 1555200, while the sum is 48.

The square root of 4455144993 is about 66746.8725334753. The cubic root of 4455144993 is about 1645.4598164577.

The spelling of 4455144993 in words is "four billion, four hundred fifty-five million, one hundred forty-four thousand, nine hundred ninety-three".