146694818 has 16 divisors (see below), whose sum is σ = 228123000. Its totient is φ = 70664832.

The previous prime is 146694817. The next prime is 146694841. The reversal of 146694818 is 818496641.

It can be written as a sum of positive squares in 4 ways, for example, as 127396369 + 19298449 = 11287^2 + 4393^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (146694811) 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 7 ways as a sum of consecutive naturals, for example, 27038 + ... + 32006.

Almost surely, 2^146694818 is an apocalyptic number.

146694818 is a deficient number, since it is larger than the sum of its proper divisors (81428182).

146694818 is a wasteful number, since it uses less digits than its factorization.

146694818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5509.

The product of its digits is 331776, while the sum is 47.

The square root of 146694818 is about 12111.7636205468. The cubic root of 146694818 is about 527.3977316472.

The spelling of 146694818 in words is "one hundred forty-six million, six hundred ninety-four thousand, eight hundred eighteen".