144834891 has 8 divisors (see below), whose sum is σ = 203277120. Its totient is φ = 91474632.

The previous prime is 144834857. The next prime is 144834941. The reversal of 144834891 is 198438441.

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

It is not a de Polignac number, because 144834891 - 2⁷ = 144834763 is a prime.

It is a Smith number, since the sum of its digits (42) 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 (144834491) 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, 1270425 + ... + 1270538.

It is an arithmetic number, because the mean of its divisors is an integer number (25409640).

Almost surely, 2^144834891 is an apocalyptic number.

144834891 is a deficient number, since it is larger than the sum of its proper divisors (58442229).

144834891 is a wasteful number, since it uses less digits than its factorization.

144834891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2540985.

The product of its digits is 110592, while the sum is 42.

The square root of 144834891 is about 12034.7368479747. The cubic root of 144834891 is about 525.1593058504.

The spelling of 144834891 in words is "one hundred forty-four million, eight hundred thirty-four thousand, eight hundred ninety-one".