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152143109 is a prime number
BaseRepresentation
bin10010001000110…
…00010100000101
3101121021200002222
421010120110011
5302422034414
623032542125
73525123626
oct1104302405
9347250088
10152143109
1178976408
1242b51945
132569c511
14162c5a4d
15d55468e
hex9118505

152143109 has 2 divisors, whose sum is σ = 152143110. Its totient is φ = 152143108.

The previous prime is 152143099. The next prime is 152143111. The reversal of 152143109 is 901341251.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 148230625 + 3912484 = 12175^2 + 1978^2 .

It is a cyclic number.

It is not a de Polignac number, because 152143109 - 24 = 152143093 is a prime.

It is a Sophie Germain prime.

Together with 152143111, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (152143129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76071554 + 76071555.

It is an arithmetic number, because the mean of its divisors is an integer number (76071555).

Almost surely, 2152143109 is an apocalyptic number.

It is an amenable number.

152143109 is a deficient number, since it is larger than the sum of its proper divisors (1).

152143109 is an equidigital number, since it uses as much as digits as its factorization.

152143109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 152143109 is about 12334.6304768323. The cubic root of 152143109 is about 533.8477650554.

The spelling of 152143109 in words is "one hundred fifty-two million, one hundred forty-three thousand, one hundred nine".