144021149 has 2 divisors, whose sum is σ = 144021150. Its totient is φ = 144021148.

The previous prime is 144021139. The next prime is 144021179. The reversal of 144021149 is 941120441.

144021149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 141181924 + 2839225 = 11882^2 + 1685^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144021149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144021139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72010574 + 72010575.

It is an arithmetic number, because the mean of its divisors is an integer number (72010575).

Almost surely, 2^144021149 is an apocalyptic number.

It is an amenable number.

144021149 is a deficient number, since it is larger than the sum of its proper divisors (1).

144021149 is an equidigital number, since it uses as much as digits as its factorization.

144021149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 144021149 is about 12000.8811759804. The cubic root of 144021149 is about 524.1739377985.

It can be divided in two parts, 14402 and 1149, that added together give a palindrome (15551).

The spelling of 144021149 in words is "one hundred forty-four million, twenty-one thousand, one hundred forty-nine".