146331818 has 32 divisors (see below), whose sum is σ = 240108624. Its totient is φ = 66604032.

The previous prime is 146331817. The next prime is 146331841. The reversal of 146331818 is 818133641.

It can be written as a sum of positive squares in 8 ways, for example, as 145998889 + 332929 = 12083^2 + 577^2 .

It is not an unprimeable number, because it can be changed into a prime (146331817) 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 15 ways as a sum of consecutive naturals, for example, 368396 + ... + 368792.

Almost surely, 2^146331818 is an apocalyptic number.

146331818 is a deficient number, since it is larger than the sum of its proper divisors (93776806).

146331818 is a wasteful number, since it uses less digits than its factorization.

146331818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746.

The product of its digits is 13824, while the sum is 35.

The square root of 146331818 is about 12096.7689074397. The cubic root of 146331818 is about 526.9623527003.

The spelling of 146331818 in words is "one hundred forty-six million, three hundred thirty-one thousand, eight hundred eighteen".