4254520145 has 16 divisors (see below), whose sum is σ = 5216603472. Its totient is φ = 3329863680.

The previous prime is 4254520141. The next prime is 4254520187. The reversal of 4254520145 is 5410254524.

It can be written as a sum of positive squares in 8 ways, for example, as 455523649 + 3798996496 = 21343^2 + 61636^2 .

It is not a de Polignac number, because 4254520145 - 2² = 4254520141 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4254520141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70805 + ... + 116285.

It is an arithmetic number, because the mean of its divisors is an integer number (326037717).

Almost surely, 2^4254520145 is an apocalyptic number.

It is an amenable number.

4254520145 is a deficient number, since it is larger than the sum of its proper divisors (962083327).

4254520145 is a wasteful number, since it uses less digits than its factorization.

4254520145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45892.

The product of its (nonzero) digits is 32000, while the sum is 32.

The square root of 4254520145 is about 65226.6827686339. The cubic root of 4254520145 is about 1620.3799526668.

Adding to 4254520145 its reverse (5410254524), we get a palindrome (9664774669).

The spelling of 4254520145 in words is "four billion, two hundred fifty-four million, five hundred twenty thousand, one hundred forty-five".