1148705244 has 18 divisors (see below), whose sum is σ = 2903671680. Its totient is φ = 382901736.

The previous prime is 1148705197. The next prime is 1148705251. The reversal of 1148705244 is 4425078411.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 31908479 = 1148705244 / (1 + 1 + 4 + 8 + 7 + 0 + 5 + 2 + 4 + 4).

It is a junction number, because it is equal to n+sod(n) for n = 1148705199 and 1148705208.

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, 15954204 + ... + 15954275.

Almost surely, 2^1148705244 is an apocalyptic number.

It is an amenable number.

1148705244 is an abundant number, since it is smaller than the sum of its proper divisors (1754966436).

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

1148705244 is a wasteful number, since it uses less digits than its factorization.

1148705244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31908489 (or 31908484 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 36.

The square root of 1148705244 is about 33892.5544035855. The cubic root of 1148705244 is about 1047.2962164361.

The spelling of 1148705244 in words is "one billion, one hundred forty-eight million, seven hundred five thousand, two hundred forty-four".