118645045 has 4 divisors (see below), whose sum is σ = 142374060. Its totient is φ = 94916032.

The previous prime is 118645039. The next prime is 118645067. The reversal of 118645045 is 540546811.

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

It can be written as a sum of positive squares in 2 ways, for example, as 19562929 + 99082116 = 4423^2 + 9954^2 .

It is a cyclic number.

It is not a de Polignac number, because 118645045 - 2¹³ = 118636853 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 118645045.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11864500 + ... + 11864509.

It is an arithmetic number, because the mean of its divisors is an integer number (35593515).

Almost surely, 2^118645045 is an apocalyptic number.

It is an amenable number.

118645045 is a deficient number, since it is larger than the sum of its proper divisors (23729015).

118645045 is an equidigital number, since it uses as much as digits as its factorization.

118645045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23729014.

The product of its (nonzero) digits is 19200, while the sum is 34.

The square root of 118645045 is about 10892.4306286522. The cubic root of 118645045 is about 491.3789354815.

The spelling of 118645045 in words is "one hundred eighteen million, six hundred forty-five thousand, forty-five".