1148543566 has 16 divisors (see below), whose sum is σ = 1770315120. Its totient is φ = 558455040.

The previous prime is 1148543531. The next prime is 1148543567. The reversal of 1148543566 is 6653458411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1148543567) 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, 214846 + ... + 220126.

It is an arithmetic number, because the mean of its divisors is an integer number (110644695).

Almost surely, 2^1148543566 is an apocalyptic number.

1148543566 is a deficient number, since it is larger than the sum of its proper divisors (621771554).

1148543566 is a wasteful number, since it uses less digits than its factorization.

1148543566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8259.

The product of its digits is 345600, while the sum is 43.

The square root of 1148543566 is about 33890.1691645232. The cubic root of 1148543566 is about 1047.2470791710.

The spelling of 1148543566 in words is "one billion, one hundred forty-eight million, five hundred forty-three thousand, five hundred sixty-six".