1148825285 has 16 divisors (see below), whose sum is σ = 1450310400. Its totient is φ = 872321856.

The previous prime is 1148825239. The next prime is 1148825317. The reversal of 1148825285 is 5825288411.

It is a de Polignac number, because none of the positive numbers 2^k-1148825285 is a prime.

It is a congruent number.

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, 58589 + ... + 75698.

It is an arithmetic number, because the mean of its divisors is an integer number (90644400).

Almost surely, 2^1148825285 is an apocalyptic number.

It is an amenable number.

1148825285 is a deficient number, since it is larger than the sum of its proper divisors (301485115).

1148825285 is a wasteful number, since it uses less digits than its factorization.

1148825285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134380.

The product of its digits is 204800, while the sum is 44.

The square root of 1148825285 is about 33894.3252624979. The cubic root of 1148825285 is about 1047.3326963793.

The spelling of 1148825285 in words is "one billion, one hundred forty-eight million, eight hundred twenty-five thousand, two hundred eighty-five".