1149257508 has 48 divisors (see below), whose sum is σ = 3101629440. Its totient is φ = 324401184.

The previous prime is 1149257479. The next prime is 1149257521. The reversal of 1149257508 is 8057529411.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 1149257508.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75448 + ... + 89391.

It is an arithmetic number, because the mean of its divisors is an integer number (64617280).

Almost surely, 2^1149257508 is an apocalyptic number.

It is an amenable number.

1149257508 is an abundant number, since it is smaller than the sum of its proper divisors (1952371932).

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

1149257508 is a wasteful number, since it uses less digits than its factorization.

1149257508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164936 (or 164934 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 42.

The square root of 1149257508 is about 33900.7007007230. The cubic root of 1149257508 is about 1047.4640260447.

The spelling of 1149257508 in words is "one billion, one hundred forty-nine million, two hundred fifty-seven thousand, five hundred eight".