1147383544 has 8 divisors (see below), whose sum is σ = 2151344160. Its totient is φ = 573691768.

The previous prime is 1147383539. The next prime is 1147383551. The reversal of 1147383544 is 4453837411.

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

It is a junction number, because it is equal to n+sod(n) for n = 1147383497 and 1147383506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71711464 + ... + 71711479.

It is an arithmetic number, because the mean of its divisors is an integer number (268918020).

Almost surely, 2^1147383544 is an apocalyptic number.

It is an amenable number.

1147383544 is a deficient number, since it is larger than the sum of its proper divisors (1003960616).

1147383544 is a wasteful number, since it uses less digits than its factorization.

1147383544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143422949 (or 143422945 counting only the distinct ones).

The product of its digits is 161280, while the sum is 40.

The square root of 1147383544 is about 33873.0504088427. The cubic root of 1147383544 is about 1046.8943893508.

The spelling of 1147383544 in words is "one billion, one hundred forty-seven million, three hundred eighty-three thousand, five hundred forty-four".