155125151 has 2 divisors, whose sum is σ = 155125152. Its totient is φ = 155125150.

The previous prime is 155125097. The next prime is 155125163. The reversal of 155125151 is 151521551.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 155125151 - 2¹⁰ = 155124127 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 155125151.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (155125171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77562575 + 77562576.

It is an arithmetic number, because the mean of its divisors is an integer number (77562576).

Almost surely, 2^155125151 is an apocalyptic number.

155125151 is a deficient number, since it is larger than the sum of its proper divisors (1).

155125151 is an equidigital number, since it uses as much as digits as its factorization.

155125151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1250, while the sum is 26.

The square root of 155125151 is about 12454.9247689418. The cubic root of 155125151 is about 537.3130711802.

The spelling of 155125151 in words is "one hundred fifty-five million, one hundred twenty-five thousand, one hundred fifty-one".