155303462647 has 2 divisors, whose sum is σ = 155303462648. Its totient is φ = 155303462646.

The previous prime is 155303462593. The next prime is 155303462659. The reversal of 155303462647 is 746264303551.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-155303462647 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 155303462597 and 155303462606.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (155303462047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77651731323 + 77651731324.

It is an arithmetic number, because the mean of its divisors is an integer number (77651731324).

Almost surely, 2^155303462647 is an apocalyptic number.

155303462647 is a deficient number, since it is larger than the sum of its proper divisors (1).

155303462647 is an equidigital number, since it uses as much as digits as its factorization.

155303462647 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1814400, while the sum is 46.

The spelling of 155303462647 in words is "one hundred fifty-five billion, three hundred three million, four hundred sixty-two thousand, six hundred forty-seven".