1148122945 has 16 divisors (see below), whose sum is σ = 1392285888. Its totient is φ = 908856000.

The previous prime is 1148122939. The next prime is 1148122957. The reversal of 1148122945 is 5492218411.

It is a de Polignac number, because none of the positive numbers 2^k-1148122945 is a prime.

It is a Duffinian 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, 194122 + ... + 199948.

It is an arithmetic number, because the mean of its divisors is an integer number (87017868).

Almost surely, 2^1148122945 is an apocalyptic number.

It is an amenable number.

1148122945 is a deficient number, since it is larger than the sum of its proper divisors (244162943).

1148122945 is a wasteful number, since it uses less digits than its factorization.

1148122945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6240.

The product of its digits is 23040, while the sum is 37.

The square root of 1148122945 is about 33883.9629470934. The cubic root of 1148122945 is about 1047.1192222020.

The spelling of 1148122945 in words is "one billion, one hundred forty-eight million, one hundred twenty-two thousand, nine hundred forty-five".