9181010145 has 16 divisors (see below), whose sum is σ = 14719545792. Its totient is φ = 4886562240.

The previous prime is 9181010117. The next prime is 9181010147. The reversal of 9181010145 is 5410101819.

It is a happy number.

It is not a de Polignac number, because 9181010145 - 2¹² = 9181006049 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (9181010147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 615922 + ... + 630651.

It is an arithmetic number, because the mean of its divisors is an integer number (919971612).

Almost surely, 2^9181010145 is an apocalyptic number.

It is an amenable number.

9181010145 is a deficient number, since it is larger than the sum of its proper divisors (5538535647).

9181010145 is a wasteful number, since it uses less digits than its factorization.

9181010145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1247072.

The product of its (nonzero) digits is 1440, while the sum is 30.

The square root of 9181010145 is about 95817.5878688250. The cubic root of 9181010145 is about 2093.9364123386.

The spelling of 9181010145 in words is "nine billion, one hundred eighty-one million, ten thousand, one hundred forty-five".