1148545855 has 8 divisors (see below), whose sum is σ = 1379317392. Its totient is φ = 918128448.

The previous prime is 1148545847. The next prime is 1148545859. The reversal of 1148545855 is 5585458411.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1148545855 - 2³ = 1148545847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1148545859) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81342 + ... + 94411.

It is an arithmetic number, because the mean of its divisors is an integer number (172414674).

Almost surely, 2^1148545855 is an apocalyptic number.

1148545855 is a deficient number, since it is larger than the sum of its proper divisors (230771537).

1148545855 is a wasteful number, since it uses less digits than its factorization.

1148545855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177065.

The product of its digits is 640000, while the sum is 46.

The square root of 1148545855 is about 33890.2029353617. The cubic root of 1148545855 is about 1047.2477748773.

The spelling of 1148545855 in words is "one billion, one hundred forty-eight million, five hundred forty-five thousand, eight hundred fifty-five".