4444145453403 has 6 divisors (see below), whose sum is σ = 6419321210484. Its totient is φ = 2962763635596.

The previous prime is 4444145453401. The next prime is 4444145453437. The reversal of 4444145453403 is 3043545414444.

It is not a de Polignac number, because 4444145453403 - 2¹ = 4444145453401 is a prime.

It is a super-2 number, since 2×4444145453403² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4444145453401) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 246896969625 + ... + 246896969642.

It is an arithmetic number, because the mean of its divisors is an integer number (1069886868414).

Almost surely, 2^{4444145453403} is an apocalyptic number.

4444145453403 is a deficient number, since it is larger than the sum of its proper divisors (1975175757081).

4444145453403 is a wasteful number, since it uses less digits than its factorization.

4444145453403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493793939273 (or 493793939270 counting only the distinct ones).

The product of its (nonzero) digits is 3686400, while the sum is 45.

The spelling of 4444145453403 in words is "four trillion, four hundred forty-four billion, one hundred forty-five million, four hundred fifty-three thousand, four hundred three".