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155160157 is a prime number
BaseRepresentation
bin10010011111110…
…00111001011101
3101210221221201111
421033320321131
5304210111112
623221342021
73562560655
oct1117707135
9353857644
10155160157
117a647139
1243b67911
13261b7859
141686d365
15d94d5a7
hex93f8e5d

155160157 has 2 divisors, whose sum is σ = 155160158. Its totient is φ = 155160156.

The previous prime is 155160151. The next prime is 155160169. The reversal of 155160157 is 751061551.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 148498596 + 6661561 = 12186^2 + 2581^2 .

It is a cyclic number.

It is not a de Polignac number, because 155160157 - 211 = 155158109 is a prime.

It is equal to p8718070 and since 155160157 and 8718070 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (155160151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77580078 + 77580079.

It is an arithmetic number, because the mean of its divisors is an integer number (77580079).

Almost surely, 2155160157 is an apocalyptic number.

It is an amenable number.

155160157 is a deficient number, since it is larger than the sum of its proper divisors (1).

155160157 is an equidigital number, since it uses as much as digits as its factorization.

155160157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5250, while the sum is 31.

The square root of 155160157 is about 12456.3299972343. The cubic root of 155160157 is about 537.3534853588.

The spelling of 155160157 in words is "one hundred fifty-five million, one hundred sixty thousand, one hundred fifty-seven".