8149572145 has 16 divisors (see below), whose sum is σ = 11489188032. Its totient is φ = 5471040960.

The previous prime is 8149572127. The next prime is 8149572157. The reversal of 8149572145 is 5412759418.

8149572145 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8149572145 - 2¹⁹ = 8149047857 is a prime.

It is a super-2 number, since 2×8149572145² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8149572095 and 8149572104.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5698287 + ... + 5699716.

It is an arithmetic number, because the mean of its divisors is an integer number (718074252).

Almost surely, 2^8149572145 is an apocalyptic number.

It is an amenable number.

8149572145 is a deficient number, since it is larger than the sum of its proper divisors (3339615887).

8149572145 is a wasteful number, since it uses less digits than its factorization.

8149572145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11398032.

The product of its digits is 403200, while the sum is 46.

The square root of 8149572145 is about 90274.9807255587. The cubic root of 8149572145 is about 2012.3874624004.

The spelling of 8149572145 in words is "eight billion, one hundred forty-nine million, five hundred seventy-two thousand, one hundred forty-five".