4152120145 has 4 divisors (see below), whose sum is σ = 4982544180. Its totient is φ = 3321696112.

The previous prime is 4152120109. The next prime is 4152120173. The reversal of 4152120145 is 5410212514.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1196675649 + 2955444496 = 34593^2 + 54364^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4152120145 is a prime.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 415212010 + ... + 415212019.

It is an arithmetic number, because the mean of its divisors is an integer number (1245636045).

Almost surely, 2^4152120145 is an apocalyptic number.

It is an amenable number.

4152120145 is a deficient number, since it is larger than the sum of its proper divisors (830424035).

4152120145 is an equidigital number, since it uses as much as digits as its factorization.

4152120145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 830424034.

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 4152120145 is about 64436.9470490339. The cubic root of 4152120145 is about 1607.2741892854.

Adding to 4152120145 its reverse (5410212514), we get a palindrome (9562332659).

The spelling of 4152120145 in words is "four billion, one hundred fifty-two million, one hundred twenty thousand, one hundred forty-five".