9149174145 has 12 divisors (see below), whose sum is σ = 15858568596. Its totient is φ = 4879559520.

The previous prime is 9149174137. The next prime is 9149174147. The reversal of 9149174145 is 5414719419.

9149174145 is a `hidden beast` number, since 91 + 491 + 74 + 1 + 4 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1405350144 + 7743824001 = 37488^2 + 87999^2 .

It is not a de Polignac number, because 9149174145 - 2³ = 9149174137 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 203314981 = 9149174145 / (9 + 1 + 4 + 9 + 1 + 7 + 4 + 1 + 4 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 9149174145.

It is not an unprimeable number, because it can be changed into a prime (9149174147) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 101657446 + ... + 101657535.

It is an arithmetic number, because the mean of its divisors is an integer number (1321547383).

Almost surely, 2^9149174145 is an apocalyptic number.

It is an amenable number.

9149174145 is a deficient number, since it is larger than the sum of its proper divisors (6709394451).

9149174145 is a wasteful number, since it uses less digits than its factorization.

9149174145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203314992 (or 203314989 counting only the distinct ones).

The product of its digits is 181440, while the sum is 45.

The square root of 9149174145 is about 95651.3154378966. The cubic root of 9149174145 is about 2091.5133034719.

The spelling of 9149174145 in words is "nine billion, one hundred forty-nine million, one hundred seventy-four thousand, one hundred forty-five".