118645545 has 8 divisors (see below), whose sum is σ = 189832896. Its totient is φ = 63277616.

The previous prime is 118645517. The next prime is 118645547. The reversal of 118645545 is 545546811.

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

It is a cyclic number.

It is not a de Polignac number, because 118645545 - 2¹⁰ = 118644521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (118645547) 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, 3954837 + ... + 3954866.

It is an arithmetic number, because the mean of its divisors is an integer number (23729112).

Almost surely, 2^118645545 is an apocalyptic number.

118645545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

118645545 is a deficient number, since it is larger than the sum of its proper divisors (71187351).

118645545 is an equidigital number, since it uses as much as digits as its factorization.

118645545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7909711.

The product of its digits is 96000, while the sum is 39.

The square root of 118645545 is about 10892.4535803463. The cubic root of 118645545 is about 491.3796257452.

The spelling of 118645545 in words is "one hundred eighteen million, six hundred forty-five thousand, five hundred forty-five".