144308906 has 16 divisors (see below), whose sum is σ = 255367680. Its totient is φ = 59851440.

The previous prime is 144308897. The next prime is 144308909. The reversal of 144308906 is 609803441.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (144308909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165821 + ... + 166688.

It is an arithmetic number, because the mean of its divisors is an integer number (15960480).

Almost surely, 2^144308906 is an apocalyptic number.

144308906 is a deficient number, since it is larger than the sum of its proper divisors (111058774).

144308906 is a wasteful number, since it uses less digits than its factorization.

144308906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332549.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 144308906 is about 12012.8641880278. The cubic root of 144308906 is about 524.5228087232.

The spelling of 144308906 in words is "one hundred forty-four million, three hundred eight thousand, nine hundred six".