1147334448 has 80 divisors (see below), whose sum is σ = 3215481696. Its totient is φ = 350423040.

The previous prime is 1147334431. The next prime is 1147334467. The reversal of 1147334448 is 8444337411.

It is a Harshad number since it is a multiple of its sum of digits (39).

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, 78778 + ... + 92198.

Almost surely, 2^1147334448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1147334448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1607740848).

1147334448 is an abundant number, since it is smaller than the sum of its proper divisors (2068147248).

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

1147334448 is a wasteful number, since it uses less digits than its factorization.

1147334448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13582 (or 13576 counting only the distinct ones).

The product of its digits is 129024, while the sum is 39.

The square root of 1147334448 is about 33872.3256951748. The cubic root of 1147334448 is about 1046.8794570990.

The spelling of 1147334448 in words is "one billion, one hundred forty-seven million, three hundred thirty-four thousand, four hundred forty-eight".