1148405684 has 36 divisors (see below), whose sum is σ = 2089637004. Its totient is φ = 552211968.

The previous prime is 1148405683. The next prime is 1148405701. The reversal of 1148405684 is 4865048411.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 231648400 + 916757284 = 15220^2 + 30278^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1148405681) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1133162 + ... + 1134174.

Almost surely, 2^1148405684 is an apocalyptic number.

It is an amenable number.

1148405684 is a deficient number, since it is larger than the sum of its proper divisors (941231320).

1148405684 is a wasteful number, since it uses less digits than its factorization.

1148405684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1412 (or 1381 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 41.

The square root of 1148405684 is about 33888.1348557279. The cubic root of 1148405684 is about 1047.2051703557.

The spelling of 1148405684 in words is "one billion, one hundred forty-eight million, four hundred five thousand, six hundred eighty-four".