4451252155 has 32 divisors (see below), whose sum is σ = 6145344000. Its totient is φ = 3031983360.

The previous prime is 4451252153. The next prime is 4451252177. The reversal of 4451252155 is 5512521544.

It is not a de Polignac number, because 4451252155 - 2¹ = 4451252153 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4451252155.

It is not an unprimeable number, because it can be changed into a prime (4451252153) 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 31 ways as a sum of consecutive naturals, for example, 4907212 + ... + 4908118.

It is an arithmetic number, because the mean of its divisors is an integer number (192042000).

Almost surely, 2^4451252155 is an apocalyptic number.

4451252155 is a deficient number, since it is larger than the sum of its proper divisors (1694091845).

4451252155 is a wasteful number, since it uses less digits than its factorization.

4451252155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1699.

The product of its digits is 40000, while the sum is 34.

The square root of 4451252155 is about 66717.7049590287. The cubic root of 4451252155 is about 1644.9804175383.

Adding to 4451252155 its reverse (5512521544), we get a palindrome (9963773699).

The spelling of 4451252155 in words is "four billion, four hundred fifty-one million, two hundred fifty-two thousand, one hundred fifty-five".