144430157 has 2 divisors, whose sum is σ = 144430158. Its totient is φ = 144430156.

The previous prime is 144430151. The next prime is 144430177. The reversal of 144430157 is 751034441.

It is a happy number.

144430157 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., 140873161 + 3556996 = 11869^2 + 1886^2 .

It is a cyclic number.

It is not a de Polignac number, because 144430157 - 2⁶ = 144430093 is a prime.

It is equal to p_8148422 and since 144430157 and 8148422 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144430151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72215078 + 72215079.

It is an arithmetic number, because the mean of its divisors is an integer number (72215079).

Almost surely, 2^144430157 is an apocalyptic number.

It is an amenable number.

144430157 is a deficient number, since it is larger than the sum of its proper divisors (1).

144430157 is an equidigital number, since it uses as much as digits as its factorization.

144430157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 144430157 is about 12017.9098432298. The cubic root of 144430157 is about 524.6696721725.

Adding to 144430157 its reverse (751034441), we get a palindrome (895464598).

The spelling of 144430157 in words is "one hundred forty-four million, four hundred thirty thousand, one hundred fifty-seven".