4245454145 has 16 divisors (see below), whose sum is σ = 5366951040. Its totient is φ = 3215044224.

The previous prime is 4245454141. The next prime is 4245454151. The reversal of 4245454145 is 5414545424.

It is a cyclic number.

It is not a de Polignac number, because 4245454145 - 2² = 4245454141 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4245454099 and 4245454108.

It is not an unprimeable number, because it can be changed into a prime (4245454141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106637 + ... + 140933.

It is an arithmetic number, because the mean of its divisors is an integer number (335434440).

Almost surely, 2^4245454145 is an apocalyptic number.

It is an amenable number.

4245454145 is a deficient number, since it is larger than the sum of its proper divisors (1121496895).

4245454145 is a wasteful number, since it uses less digits than its factorization.

4245454145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35624.

The product of its digits is 256000, while the sum is 38.

The square root of 4245454145 is about 65157.1496076985. The cubic root of 4245454145 is about 1619.2281728235.

Adding to 4245454145 its reverse (5414545424), we get a palindrome (9659999569).

The spelling of 4245454145 in words is "four billion, two hundred forty-five million, four hundred fifty-four thousand, one hundred forty-five".