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156109097 is a prime number
BaseRepresentation
bin10010100111000…
…00100100101001
3101212202011102102
421103200210221
5304430442342
623253543145
73603622364
oct1123404451
9355664372
10156109097
1180135091
1244344ab5
132645a761
1416a390db
15da89832
hex94e0929

156109097 has 2 divisors, whose sum is σ = 156109098. Its totient is φ = 156109096.

The previous prime is 156109091. The next prime is 156109127. The reversal of 156109097 is 790901651.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 145540096 + 10569001 = 12064^2 + 3251^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-156109097 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 156109097.

It is not a weakly prime, because it can be changed into another prime (156109091) 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, 78054548 + 78054549.

It is an arithmetic number, because the mean of its divisors is an integer number (78054549).

Almost surely, 2156109097 is an apocalyptic number.

It is an amenable number.

156109097 is a deficient number, since it is larger than the sum of its proper divisors (1).

156109097 is an equidigital number, since it uses as much as digits as its factorization.

156109097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17010, while the sum is 38.

The square root of 156109097 is about 12494.3626087928. The cubic root of 156109097 is about 538.4467217843.

The spelling of 156109097 in words is "one hundred fifty-six million, one hundred nine thousand, ninety-seven".