155671151 has 2 divisors, whose sum is σ = 155671152. Its totient is φ = 155671150.

The previous prime is 155671141. The next prime is 155671163. The reversal of 155671151 is 151176551.

It is a weak prime.

It is an emirp because it is prime and its reverse (151176551) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 155671151 - 2¹⁴ = 155654767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (155671111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77835575 + 77835576.

It is an arithmetic number, because the mean of its divisors is an integer number (77835576).

Almost surely, 2^155671151 is an apocalyptic number.

155671151 is a deficient number, since it is larger than the sum of its proper divisors (1).

155671151 is an equidigital number, since it uses as much as digits as its factorization.

155671151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5250, while the sum is 32.

The square root of 155671151 is about 12476.8245559517. The cubic root of 155671151 is about 537.9427335480.

The spelling of 155671151 in words is "one hundred fifty-five million, six hundred seventy-one thousand, one hundred fifty-one".