1149245148 has 24 divisors (see below), whose sum is σ = 2688270480. Its totient is φ = 382124800.

The previous prime is 1149245137. The next prime is 1149245161. The reversal of 1149245148 is 8415429411.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114603 + ... + 124226.

It is an arithmetic number, because the mean of its divisors is an integer number (112011270).

Almost surely, 2^1149245148 is an apocalyptic number.

It is an amenable number.

1149245148 is an abundant number, since it is smaller than the sum of its proper divisors (1539025332).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1149245148 is a wasteful number, since it uses less digits than its factorization.

1149245148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239237 (or 239235 counting only the distinct ones).

The product of its digits is 46080, while the sum is 39.

The square root of 1149245148 is about 33900.5184031159. The cubic root of 1149245148 is about 1047.4602709531.

The spelling of 1149245148 in words is "one billion, one hundred forty-nine million, two hundred forty-five thousand, one hundred forty-eight".