144806811 has 4 divisors (see below), whose sum is σ = 193075752. Its totient is φ = 96537872.

The previous prime is 144806807. The next prime is 144806813. The reversal of 144806811 is 118608441.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 144806811 - 2² = 144806807 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144806813) 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 3 ways as a sum of consecutive naturals, for example, 24134466 + ... + 24134471.

It is an arithmetic number, because the mean of its divisors is an integer number (48268938).

Almost surely, 2^144806811 is an apocalyptic number.

144806811 is a deficient number, since it is larger than the sum of its proper divisors (48268941).

144806811 is an equidigital number, since it uses as much as digits as its factorization.

144806811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48268940.

The product of its (nonzero) digits is 6144, while the sum is 33.

The square root of 144806811 is about 12033.5701684911. The cubic root of 144806811 is about 525.1253650730.

The spelling of 144806811 in words is "one hundred forty-four million, eight hundred six thousand, eight hundred eleven".