1149105141 has 24 divisors (see below), whose sum is σ = 1700144160. Its totient is φ = 747670176.

The previous prime is 1149105103. The next prime is 1149105143. The reversal of 1149105141 is 1415019411.

1149105141 is a `hidden beast` number, since 1 + 149 + 1 + 0 + 514 + 1 = 666.

It is not a de Polignac number, because 1149105141 - 2¹¹ = 1149103093 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1149105143) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56986 + ... + 74468.

It is an arithmetic number, because the mean of its divisors is an integer number (70839340).

Almost surely, 2^1149105141 is an apocalyptic number.

It is an amenable number.

1149105141 is a deficient number, since it is larger than the sum of its proper divisors (551039019).

1149105141 is a wasteful number, since it uses less digits than its factorization.

1149105141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17665 (or 17662 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 27.

The square root of 1149105141 is about 33898.4533717985. The cubic root of 1149105141 is about 1047.4177335461.

The spelling of 1149105141 in words is "one billion, one hundred forty-nine million, one hundred five thousand, one hundred forty-one".