144311803 has 8 divisors (see below), whose sum is σ = 148475120. Its totient is φ = 140162400.

The previous prime is 144311777. The next prime is 144311807. The reversal of 144311803 is 308113441.

144311803 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 144311803 - 2⁵ = 144311771 is a prime.

It is a super-2 number, since 2×144311803² = 41651792970221618, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144311807) 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, 19753 + ... + 26053.

It is an arithmetic number, because the mean of its divisors is an integer number (18559390).

Almost surely, 2^144311803 is an apocalyptic number.

144311803 is a deficient number, since it is larger than the sum of its proper divisors (4163317).

144311803 is an equidigital number, since it uses as much as digits as its factorization.

144311803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6957.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 144311803 is about 12012.9847664933. The cubic root of 144311803 is about 524.5263186300.

The spelling of 144311803 in words is "one hundred forty-four million, three hundred eleven thousand, eight hundred three".