155217467 has 2 divisors, whose sum is σ = 155217468. Its totient is φ = 155217466.

The previous prime is 155217457. The next prime is 155217473. The reversal of 155217467 is 764712551.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 155217467 - 2⁴ = 155217451 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 155217467.

It is not a weakly prime, because it can be changed into another prime (155217437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77608733 + 77608734.

It is an arithmetic number, because the mean of its divisors is an integer number (77608734).

Almost surely, 2^155217467 is an apocalyptic number.

155217467 is a deficient number, since it is larger than the sum of its proper divisors (1).

155217467 is an equidigital number, since it uses as much as digits as its factorization.

155217467 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 58800, while the sum is 38.

The square root of 155217467 is about 12458.6302216576. The cubic root of 155217467 is about 537.4196362274.

The spelling of 155217467 in words is "one hundred fifty-five million, two hundred seventeen thousand, four hundred sixty-seven".