1149539152 has 30 divisors (see below), whose sum is σ = 2238320094. Its totient is φ = 571921920.

The previous prime is 1149539147. The next prime is 1149539173. The reversal of 1149539152 is 2519359411.

It can be written as a sum of positive squares in 3 ways, for example, as 581002816 + 568536336 = 24104^2 + 23844^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 928678 + ... + 929914.

Almost surely, 2^1149539152 is an apocalyptic number.

It is an amenable number.

1149539152 is a deficient number, since it is larger than the sum of its proper divisors (1088780942).

1149539152 is an equidigital number, since it uses as much as digits as its factorization.

1149539152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1727 (or 1480 counting only the distinct ones).

The product of its digits is 48600, while the sum is 40.

The square root of 1149539152 is about 33904.8544016930. The cubic root of 1149539152 is about 1047.5495850137.

The spelling of 1149539152 in words is "one billion, one hundred forty-nine million, five hundred thirty-nine thousand, one hundred fifty-two".