1149148856 has 16 divisors (see below), whose sum is σ = 2204763000. Its totient is φ = 561212064.

The previous prime is 1149148853. The next prime is 1149148907. The reversal of 1149148856 is 6588419411.

It is a super-2 number, since 2×1149148856² = 2641086186492217472, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1149148856.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1149148853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1669931 + ... + 1670618.

Almost surely, 2^1149148856 is an apocalyptic number.

It is an amenable number.

1149148856 is a deficient number, since it is larger than the sum of its proper divisors (1055614144).

1149148856 is a wasteful number, since it uses less digits than its factorization.

1149148856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3340598 (or 3340594 counting only the distinct ones).

The product of its digits is 276480, while the sum is 47.

The square root of 1149148856 is about 33899.0981590956. The cubic root of 1149148856 is about 1047.4310155583.

The spelling of 1149148856 in words is "one billion, one hundred forty-nine million, one hundred forty-eight thousand, eight hundred fifty-six".