154442241413 has 2 divisors, whose sum is σ = 154442241414. Its totient is φ = 154442241412.

The previous prime is 154442241367. The next prime is 154442241463. The reversal of 154442241413 is 314142244451.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 108499748449 + 45942492964 = 329393^2 + 214342^2 .

It is a cyclic number.

It is not a de Polignac number, because 154442241413 - 2²⁰ = 154441192837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (154442241463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77221120706 + 77221120707.

It is an arithmetic number, because the mean of its divisors is an integer number (77221120707).

Almost surely, 2^154442241413 is an apocalyptic number.

It is an amenable number.

154442241413 is a deficient number, since it is larger than the sum of its proper divisors (1).

154442241413 is an equidigital number, since it uses as much as digits as its factorization.

154442241413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 61440, while the sum is 35.

Adding to 154442241413 its reverse (314142244451), we get a palindrome (468584485864).

The spelling of 154442241413 in words is "one hundred fifty-four billion, four hundred forty-two million, two hundred forty-one thousand, four hundred thirteen".