146801812 has 12 divisors (see below), whose sum is σ = 263169396. Its totient is φ = 71610560.

The previous prime is 146801797. The next prime is 146801813. The reversal of 146801812 is 218108641.

It can be written as a sum of positive squares in 2 ways, for example, as 7420176 + 139381636 = 2724^2 + 11806^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146801813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 447403 + ... + 447730.

It is an arithmetic number, because the mean of its divisors is an integer number (21930783).

Almost surely, 2^146801812 is an apocalyptic number.

It is an amenable number.

146801812 is a deficient number, since it is larger than the sum of its proper divisors (116367584).

146801812 is a wasteful number, since it uses less digits than its factorization.

146801812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 895178 (or 895176 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 31.

The square root of 146801812 is about 12116.1797609643. The cubic root of 146801812 is about 527.5259222229.

The spelling of 146801812 in words is "one hundred forty-six million, eight hundred one thousand, eight hundred twelve".