154413531223513 has 2 divisors, whose sum is σ = 154413531223514. Its totient is φ = 154413531223512.

The previous prime is 154413531223453. The next prime is 154413531223519. The reversal of 154413531223513 is 315322135314451.

154413531223513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 151834320919449 + 2579210304064 = 12322107^2 + 1605992^2 .

It is a cyclic number.

It is not a de Polignac number, because 154413531223513 - 2²⁹ = 154412994352601 is a prime.

It is a super-2 number, since 2×154413531223513² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 154413531223513.

It is not a weakly prime, because it can be changed into another prime (154413531223519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77206765611756 + 77206765611757.

It is an arithmetic number, because the mean of its divisors is an integer number (77206765611757).

Almost surely, 2^{154413531223513} is an apocalyptic number.

It is an amenable number.

154413531223513 is a deficient number, since it is larger than the sum of its proper divisors (1).

154413531223513 is an equidigital number, since it uses as much as digits as its factorization.

154413531223513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 648000, while the sum is 43.

Adding to 154413531223513 its reverse (315322135314451), we get a palindrome (469735666537964).

The spelling of 154413531223513 in words is "one hundred fifty-four trillion, four hundred thirteen billion, five hundred thirty-one million, two hundred twenty-three thousand, five hundred thirteen".