155170151 has 2 divisors, whose sum is σ = 155170152. Its totient is φ = 155170150.

The previous prime is 155170139. The next prime is 155170201. The reversal of 155170151 is 151071551.

It is a weak prime.

It is an emirp because it is prime and its reverse (151071551) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 155170151 - 2¹⁰ = 155169127 is a prime.

It is a super-2 number, since 2×155170151² = 48155551522725602, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 155170151.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (155170451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77585075 + 77585076.

It is an arithmetic number, because the mean of its divisors is an integer number (77585076).

Almost surely, 2^155170151 is an apocalyptic number.

155170151 is a deficient number, since it is larger than the sum of its proper divisors (1).

155170151 is an equidigital number, since it uses as much as digits as its factorization.

155170151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 875, while the sum is 26.

The square root of 155170151 is about 12456.7311522727. The cubic root of 155170151 is about 537.3650222455.

The spelling of 155170151 in words is "one hundred fifty-five million, one hundred seventy thousand, one hundred fifty-one".