118402146 has 48 divisors (see below), whose sum is σ = 265574400. Its totient is φ = 38094624.

The previous prime is 118402121. The next prime is 118402147. The reversal of 118402146 is 641204811.

It is a happy number.

118402146 is a `hidden beast` number, since 118 + 402 + 146 = 666.

It is not an unprimeable number, because it can be changed into a prime (118402147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 91935 + ... + 93213.

It is an arithmetic number, because the mean of its divisors is an integer number (5532800).

Almost surely, 2^118402146 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 118402146, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132787200).

118402146 is an abundant number, since it is smaller than the sum of its proper divisors (147172254).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

118402146 is a wasteful number, since it uses less digits than its factorization.

118402146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1463 (or 1460 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 118402146 is about 10881.2750172027. The cubic root of 118402146 is about 491.0433771614.

Adding to 118402146 its reverse (641204811), we get a palindrome (759606957).

The spelling of 118402146 in words is "one hundred eighteen million, four hundred two thousand, one hundred forty-six".