1147153544 has 8 divisors (see below), whose sum is σ = 2150912910. Its totient is φ = 573576768.

The previous prime is 1147153537. The next prime is 1147153547. The reversal of 1147153544 is 4453517411.

It can be written as a sum of positive squares in only one way, i.e., 728460100 + 418693444 = 26990^2 + 20462^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1147153544² = 2631922507023519872, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1147153547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71697089 + ... + 71697104.

Almost surely, 2^1147153544 is an apocalyptic number.

It is an amenable number.

1147153544 is a deficient number, since it is larger than the sum of its proper divisors (1003759366).

1147153544 is a wasteful number, since it uses less digits than its factorization.

1147153544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143394199 (or 143394195 counting only the distinct ones).

The product of its digits is 33600, while the sum is 35.

The square root of 1147153544 is about 33869.6552093463. The cubic root of 1147153544 is about 1046.8244325633.

The spelling of 1147153544 in words is "one billion, one hundred forty-seven million, one hundred fifty-three thousand, five hundred forty-four".