118469143 has 4 divisors (see below), whose sum is σ = 127582168. Its totient is φ = 109356120.

The previous prime is 118469129. The next prime is 118469149. The reversal of 118469143 is 341964811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 341964811 = 1153 ⋅296587.

It is a cyclic number.

It is not a de Polignac number, because 118469143 - 2²¹ = 116371991 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 (118469149) 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, 4556493 + ... + 4556518.

It is an arithmetic number, because the mean of its divisors is an integer number (31895542).

Almost surely, 2^118469143 is an apocalyptic number.

118469143 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

118469143 is a deficient number, since it is larger than the sum of its proper divisors (9113025).

118469143 is an equidigital number, since it uses as much as digits as its factorization.

118469143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9113024.

The product of its digits is 20736, while the sum is 37.

The square root of 118469143 is about 10884.3531273108. The cubic root of 118469143 is about 491.1359774818.

The spelling of 118469143 in words is "one hundred eighteen million, four hundred sixty-nine thousand, one hundred forty-three".