1118845342 has 4 divisors (see below), whose sum is σ = 1678268016. Its totient is φ = 559422670.

The previous prime is 1118845319. The next prime is 1118845349. The reversal of 1118845342 is 2435488111.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1118845349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 279711334 + ... + 279711337.

It is an arithmetic number, because the mean of its divisors is an integer number (419567004).

Almost surely, 2^1118845342 is an apocalyptic number.

1118845342 is a deficient number, since it is larger than the sum of its proper divisors (559422674).

1118845342 is an equidigital number, since it uses as much as digits as its factorization.

1118845342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559422673.

The product of its digits is 30720, while the sum is 37.

The square root of 1118845342 is about 33449.1456094173. The cubic root of 1118845342 is about 1038.1418193942.

The spelling of 1118845342 in words is "one billion, one hundred eighteen million, eight hundred forty-five thousand, three hundred forty-two".