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115089157 is a prime number
BaseRepresentation
bin1101101110000…
…01111100000101
322000120010122101
412313001330011
5213430323112
615230432101
72565145621
oct667017405
9260503571
10115089157
1159a68207
1232662631
131aac78c1
14113dc181
15a185757
hex6dc1f05

115089157 has 2 divisors, whose sum is σ = 115089158. Its totient is φ = 115089156.

The previous prime is 115089103. The next prime is 115089209. The reversal of 115089157 is 751980511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80030916 + 35058241 = 8946^2 + 5921^2 .

It is an emirp because it is prime and its reverse (751980511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 115089157 - 223 = 106700549 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115089757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57544578 + 57544579.

It is an arithmetic number, because the mean of its divisors is an integer number (57544579).

Almost surely, 2115089157 is an apocalyptic number.

It is an amenable number.

115089157 is a deficient number, since it is larger than the sum of its proper divisors (1).

115089157 is an equidigital number, since it uses as much as digits as its factorization.

115089157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12600, while the sum is 37.

The square root of 115089157 is about 10727.9614559337. The cubic root of 115089157 is about 486.4200518090.

The spelling of 115089157 in words is "one hundred fifteen million, eighty-nine thousand, one hundred fifty-seven".