155214167 has 2 divisors, whose sum is σ = 155214168. Its totient is φ = 155214166.

The previous prime is 155214107. The next prime is 155214181. The reversal of 155214167 is 761412551.

It is a strong prime.

It is an emirp because it is prime and its reverse (761412551) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 155214167 - 2²⁰ = 154165591 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (155214107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77607083 + 77607084.

It is an arithmetic number, because the mean of its divisors is an integer number (77607084).

Almost surely, 2^155214167 is an apocalyptic number.

155214167 is a deficient number, since it is larger than the sum of its proper divisors (1).

155214167 is an equidigital number, since it uses as much as digits as its factorization.

155214167 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8400, while the sum is 32.

The square root of 155214167 is about 12458.4977826382. The cubic root of 155214167 is about 537.4158275981.

The spelling of 155214167 in words is "one hundred fifty-five million, two hundred fourteen thousand, one hundred sixty-seven".