154315544334313 has 4 divisors (see below), whose sum is σ = 154344480312708. Its totient is φ = 154286608355920.

The previous prime is 154315544334293. The next prime is 154315544334319. The reversal of 154315544334313 is 313433445513451.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 145337419026409 + 8978125307904 = 12055597^2 + 2996352^2 .

It is a cyclic number.

It is not a de Polignac number, because 154315544334313 - 2²¹ = 154315542237161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (154315544334319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14467981198 + ... + 14467991863.

It is an arithmetic number, because the mean of its divisors is an integer number (38586120078177).

Almost surely, 2^{154315544334313} is an apocalyptic number.

It is an amenable number.

154315544334313 is a deficient number, since it is larger than the sum of its proper divisors (28935978395).

154315544334313 is an equidigital number, since it uses as much as digits as its factorization.

154315544334313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28935978394.

The product of its digits is 7776000, while the sum is 49.

Adding to 154315544334313 its reverse (313433445513451), we get a palindrome (467748989847764).

The spelling of 154315544334313 in words is "one hundred fifty-four trillion, three hundred fifteen billion, five hundred forty-four million, three hundred thirty-four thousand, three hundred thirteen".