118453789 has 8 divisors (see below), whose sum is σ = 121177088. Its totient is φ = 115758720.

The previous prime is 118453763. The next prime is 118453793. The reversal of 118453789 is 987354811.

It is a happy number.

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 118453789 - 2¹⁵ = 118421021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118453729) 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, 1549 + ... + 15469.

It is an arithmetic number, because the mean of its divisors is an integer number (15147136).

Almost surely, 2^118453789 is an apocalyptic number.

It is an amenable number.

118453789 is a deficient number, since it is larger than the sum of its proper divisors (2723299).

118453789 is a wasteful number, since it uses less digits than its factorization.

118453789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14115.

The product of its digits is 241920, while the sum is 46.

The square root of 118453789 is about 10883.6477800414. The cubic root of 118453789 is about 491.1147589395.

The spelling of 118453789 in words is "one hundred eighteen million, four hundred fifty-three thousand, seven hundred eighty-nine".