1148845637 has 2 divisors, whose sum is σ = 1148845638. Its totient is φ = 1148845636.

The previous prime is 1148845627. The next prime is 1148845657. The reversal of 1148845637 is 7365488411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1094881921 + 53963716 = 33089^2 + 7346^2 .

It is a cyclic number.

It is not a de Polignac number, because 1148845637 - 2⁶ = 1148845573 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1148845591 and 1148845600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1148845627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 574422818 + 574422819.

It is an arithmetic number, because the mean of its divisors is an integer number (574422819).

Almost surely, 2^1148845637 is an apocalyptic number.

It is an amenable number.

1148845637 is a deficient number, since it is larger than the sum of its proper divisors (1).

1148845637 is an equidigital number, since it uses as much as digits as its factorization.

1148845637 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 645120, while the sum is 47.

The square root of 1148845637 is about 33894.6254884163. The cubic root of 1148845637 is about 1047.3388810125.

The spelling of 1148845637 in words is "one billion, one hundred forty-eight million, eight hundred forty-five thousand, six hundred thirty-seven".