1148810842 has 4 divisors (see below), whose sum is σ = 1723216266. Its totient is φ = 574405420.

The previous prime is 1148810827. The next prime is 1148810849. The reversal of 1148810842 is 2480188411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2480188411 = 1063 ⋅2333197.

It can be written as a sum of positive squares in only one way, i.e., 759498481 + 389312361 = 27559^2 + 19731^2 .

It is not an unprimeable number, because it can be changed into a prime (1148810849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 287202709 + ... + 287202712.

Almost surely, 2^1148810842 is an apocalyptic number.

1148810842 is a deficient number, since it is larger than the sum of its proper divisors (574405424).

1148810842 is an equidigital number, since it uses as much as digits as its factorization.

1148810842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574405423.

The product of its (nonzero) digits is 16384, while the sum is 37.

The square root of 1148810842 is about 33894.1122025640. The cubic root of 1148810842 is about 1047.3283073482.

The spelling of 1148810842 in words is "one billion, one hundred forty-eight million, eight hundred ten thousand, eight hundred forty-two".