155660147459 has 2 divisors, whose sum is σ = 155660147460. Its totient is φ = 155660147458.

The previous prime is 155660147443. The next prime is 155660147473. The reversal of 155660147459 is 954741066551.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 155660147459 - 2⁴ = 155660147443 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 155660147459.

It is not a weakly prime, because it can be changed into another prime (155660147659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77830073729 + 77830073730.

It is an arithmetic number, because the mean of its divisors is an integer number (77830073730).

Almost surely, 2^155660147459 is an apocalyptic number.

155660147459 is a deficient number, since it is larger than the sum of its proper divisors (1).

155660147459 is an equidigital number, since it uses as much as digits as its factorization.

155660147459 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536000, while the sum is 53.

The spelling of 155660147459 in words is "one hundred fifty-five billion, six hundred sixty million, one hundred forty-seven thousand, four hundred fifty-nine".