1149549518 has 8 divisors (see below), whose sum is σ = 1856964648. Its totient is φ = 530561304.

The previous prime is 1149549493. The next prime is 1149549521. The reversal of 1149549518 is 8159459411.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 22106696 + ... + 22106747.

It is an arithmetic number, because the mean of its divisors is an integer number (232120581).

Almost surely, 2^1149549518 is an apocalyptic number.

1149549518 is a deficient number, since it is larger than the sum of its proper divisors (707415130).

1149549518 is a wasteful number, since it uses less digits than its factorization.

1149549518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44213458.

The product of its digits is 259200, while the sum is 47.

The square root of 1149549518 is about 33905.0072703133. The cubic root of 1149549518 is about 1047.5527337730.

The spelling of 1149549518 in words is "one billion, one hundred forty-nine million, five hundred forty-nine thousand, five hundred eighteen".