144531007 has 2 divisors, whose sum is σ = 144531008. Its totient is φ = 144531006.

The previous prime is 144530989. The next prime is 144531019. The reversal of 144531007 is 700135441.

It is a strong prime.

It is an emirp because it is prime and its reverse (700135441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 144531007 - 2⁷ = 144530879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144531047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72265503 + 72265504.

It is an arithmetic number, because the mean of its divisors is an integer number (72265504).

Almost surely, 2^144531007 is an apocalyptic number.

144531007 is a deficient number, since it is larger than the sum of its proper divisors (1).

144531007 is an equidigital number, since it uses as much as digits as its factorization.

144531007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 144531007 is about 12022.1049321656. The cubic root of 144531007 is about 524.7917626154.

Adding to 144531007 its reverse (700135441), we get a palindrome (844666448).

The spelling of 144531007 in words is "one hundred forty-four million, five hundred thirty-one thousand, seven".