154613240104247 has 2 divisors, whose sum is σ = 154613240104248. Its totient is φ = 154613240104246.

The previous prime is 154613240104139. The next prime is 154613240104327. The reversal of 154613240104247 is 742401042316451.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-154613240104247 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 154613240104198 and 154613240104207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (154613240109247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77306620052123 + 77306620052124.

It is an arithmetic number, because the mean of its divisors is an integer number (77306620052124).

Almost surely, 2^{154613240104247} is an apocalyptic number.

154613240104247 is a deficient number, since it is larger than the sum of its proper divisors (1).

154613240104247 is an equidigital number, since it uses as much as digits as its factorization.

154613240104247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 645120, while the sum is 44.

The spelling of 154613240104247 in words is "one hundred fifty-four trillion, six hundred thirteen billion, two hundred forty million, one hundred four thousand, two hundred forty-seven".