4448906145 has 24 divisors (see below), whose sum is σ = 8117304000. Its totient is φ = 2247867936.

The previous prime is 4448906071. The next prime is 4448906167. The reversal of 4448906145 is 5416098444.

It is not a de Polignac number, because 4448906145 - 2¹³ = 4448897953 is a prime.

It is a super-2 number, since 2×4448906145² = 39585531774037522050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 4448906145.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2600845 + ... + 2602554.

It is an arithmetic number, because the mean of its divisors is an integer number (338221000).

Almost surely, 2^4448906145 is an apocalyptic number.

4448906145 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4448906145 is a deficient number, since it is larger than the sum of its proper divisors (3668397855).

4448906145 is a wasteful number, since it uses less digits than its factorization.

4448906145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5203429 (or 5203426 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 45.

The square root of 4448906145 is about 66700.1210268767. The cubic root of 4448906145 is about 1644.6913738750.

The spelling of 4448906145 in words is "four billion, four hundred forty-eight million, nine hundred six thousand, one hundred forty-five".