1149293648 has 20 divisors (see below), whose sum is σ = 2227717908. Its totient is φ = 574398720.

The previous prime is 1149293633. The next prime is 1149293657. The reversal of 1149293648 is 8463929411.

It can be written as a sum of positive squares in 2 ways, for example, as 193989184 + 955304464 = 13928^2 + 30908^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26090 + ... + 54582.

Almost surely, 2^1149293648 is an apocalyptic number.

It is an amenable number.

1149293648 is a deficient number, since it is larger than the sum of its proper divisors (1078424260).

1149293648 is a wasteful number, since it uses less digits than its factorization.

1149293648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31022 (or 31016 counting only the distinct ones).

The product of its digits is 373248, while the sum is 47.

The square root of 1149293648 is about 33901.2337238632. The cubic root of 1149293648 is about 1047.4750055838.

The spelling of 1149293648 in words is "one billion, one hundred forty-nine million, two hundred ninety-three thousand, six hundred forty-eight".