4428145107 has 6 divisors (see below), whose sum is σ = 6396209612. Its totient is φ = 2952096732.

The previous prime is 4428145103. The next prime is 4428145109. The reversal of 4428145107 is 7015418244.

It is a happy number.

It is not a de Polignac number, because 4428145107 - 2² = 4428145103 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4428145103) 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, 246008053 + ... + 246008070.

Almost surely, 2^4428145107 is an apocalyptic number.

4428145107 is a deficient number, since it is larger than the sum of its proper divisors (1968064505).

4428145107 is a wasteful number, since it uses less digits than its factorization.

4428145107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492016129 (or 492016126 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 36.

The square root of 4428145107 is about 66544.3093509881. The cubic root of 4428145107 is about 1642.1290397485.

The spelling of 4428145107 in words is "four billion, four hundred twenty-eight million, one hundred forty-five thousand, one hundred seven".