146800149 has 16 divisors (see below), whose sum is σ = 199120320. Its totient is φ = 96180480.

The previous prime is 146800139. The next prime is 146800163. The reversal of 146800149 is 941008641.

It is a de Polignac number, because none of the positive numbers 2^k-146800149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146800139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166189 + ... + 167069.

It is an arithmetic number, because the mean of its divisors is an integer number (12445020).

Almost surely, 2^146800149 is an apocalyptic number.

It is an amenable number.

146800149 is a deficient number, since it is larger than the sum of its proper divisors (52320171).

146800149 is an equidigital number, since it uses as much as digits as its factorization.

146800149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1780.

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 146800149 is about 12116.1111335280. Note that the first 4 decimals coincide. The cubic root of 146800149 is about 527.5239302427.

The spelling of 146800149 in words is "one hundred forty-six million, eight hundred thousand, one hundred forty-nine".