1149826149 has 48 divisors (see below), whose sum is σ = 1761851520. Its totient is φ = 721768320.

The previous prime is 1149826129. The next prime is 1149826159. The reversal of 1149826149 is 9416289411.

It is a happy number.

1149826149 is a `hidden beast` number, since 11 + 498 + 2 + 6 + 149 = 666.

It is not a de Polignac number, because 1149826149 - 2¹⁶ = 1149760613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1149826109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1250712 + ... + 1251630.

It is an arithmetic number, because the mean of its divisors is an integer number (36705240).

Almost surely, 2^1149826149 is an apocalyptic number.

It is an amenable number.

1149826149 is a deficient number, since it is larger than the sum of its proper divisors (612025371).

1149826149 is a wasteful number, since it uses less digits than its factorization.

1149826149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1082 (or 1079 counting only the distinct ones).

The product of its digits is 124416, while the sum is 45.

The square root of 1149826149 is about 33909.0865255907. The cubic root of 1149826149 is about 1047.6367557642.

The spelling of 1149826149 in words is "one billion, one hundred forty-nine million, eight hundred twenty-six thousand, one hundred forty-nine".