118045419 has 4 divisors (see below), whose sum is σ = 157393896. Its totient is φ = 78696944.

The previous prime is 118045397. The next prime is 118045439. The reversal of 118045419 is 914540811.

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

It is a cyclic number.

It is not a de Polignac number, because 118045419 - 2⁵ = 118045387 is a prime.

It is a super-2 number, since 2×118045419² = 27869441893771122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 118045419.

It is not an unprimeable number, because it can be changed into a prime (118045439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19674234 + ... + 19674239.

It is an arithmetic number, because the mean of its divisors is an integer number (39348474).

Almost surely, 2^118045419 is an apocalyptic number.

118045419 is a deficient number, since it is larger than the sum of its proper divisors (39348477).

118045419 is an equidigital number, since it uses as much as digits as its factorization.

118045419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39348476.

The product of its (nonzero) digits is 5760, while the sum is 33.

The square root of 118045419 is about 10864.8708689979. The cubic root of 118045419 is about 490.5497356466.

The spelling of 118045419 in words is "one hundred eighteen million, forty-five thousand, four hundred nineteen".