144612521149 has 2 divisors, whose sum is σ = 144612521150. Its totient is φ = 144612521148.

The previous prime is 144612521143. The next prime is 144612521231. The reversal of 144612521149 is 941125216441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 127668292249 + 16944228900 = 357307^2 + 130170^2 .

It is a cyclic number.

It is not a de Polignac number, because 144612521149 - 2¹⁹ = 144611996861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144612521143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72306260574 + 72306260575.

It is an arithmetic number, because the mean of its divisors is an integer number (72306260575).

Almost surely, 2^144612521149 is an apocalyptic number.

It is an amenable number.

144612521149 is a deficient number, since it is larger than the sum of its proper divisors (1).

144612521149 is an equidigital number, since it uses as much as digits as its factorization.

144612521149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69120, while the sum is 40.

The spelling of 144612521149 in words is "one hundred forty-four billion, six hundred twelve million, five hundred twenty-one thousand, one hundred forty-nine".