118997845 has 8 divisors (see below), whose sum is σ = 143367840. Its totient is φ = 94818000.

The previous prime is 118997833. The next prime is 118997849. The reversal of 118997845 is 548799811.

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

It is not a de Polignac number, because 118997845 - 2¹⁷ = 118866773 is a prime.

It is a super-2 number, since 2×118997845² = 28320974229288050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 118997792 and 118997801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118997849) 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, 46155 + ... + 48664.

It is an arithmetic number, because the mean of its divisors is an integer number (17920980).

Almost surely, 2^118997845 is an apocalyptic number.

It is an amenable number.

118997845 is a deficient number, since it is larger than the sum of its proper divisors (24369995).

118997845 is an equidigital number, since it uses as much as digits as its factorization.

118997845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95075.

The product of its digits is 725760, while the sum is 52.

The square root of 118997845 is about 10908.6133399255. The cubic root of 118997845 is about 491.8655043059.

The spelling of 118997845 in words is "one hundred eighteen million, nine hundred ninety-seven thousand, eight hundred forty-five".