144025091 has 8 divisors (see below), whose sum is σ = 166230624. Its totient is φ = 122227200.

The previous prime is 144025081. The next prime is 144025093. The reversal of 144025091 is 190520441.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144025091 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 144025091.

It is not an unprimeable number, because it can be changed into a prime (144025093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101150 + ... + 102563.

It is an arithmetic number, because the mean of its divisors is an integer number (20778828).

Almost surely, 2^144025091 is an apocalyptic number.

144025091 is a deficient number, since it is larger than the sum of its proper divisors (22205533).

144025091 is a wasteful number, since it uses less digits than its factorization.

144025091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203821.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 144025091 is about 12001.0454127963. The cubic root of 144025091 is about 524.1787201397.

The spelling of 144025091 in words is "one hundred forty-four million, twenty-five thousand, ninety-one".