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1395145159 is a prime number
BaseRepresentation
bin101001100101000…
…0011100111000111
310121020012201100221
41103022003213013
510324124121114
6350234445211
746400352412
oct12312034707
93536181327
101395145159
11656583231
1232b293807
1319306baa5
14d340ab79
1582736524
hex532839c7

1395145159 has 2 divisors, whose sum is σ = 1395145160. Its totient is φ = 1395145158.

The previous prime is 1395145151. The next prime is 1395145187. The reversal of 1395145159 is 9515415931.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1395145159 - 23 = 1395145151 is a prime.

It is a super-2 number, since 2×13951451592 = 3892860029362270562, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1395145151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 697572579 + 697572580.

It is an arithmetic number, because the mean of its divisors is an integer number (697572580).

Almost surely, 21395145159 is an apocalyptic number.

1395145159 is a deficient number, since it is larger than the sum of its proper divisors (1).

1395145159 is an equidigital number, since it uses as much as digits as its factorization.

1395145159 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 121500, while the sum is 43.

The square root of 1395145159 is about 37351.6419853264. The cubic root of 1395145159 is about 1117.3943356761.

The spelling of 1395145159 in words is "one billion, three hundred ninety-five million, one hundred forty-five thousand, one hundred fifty-nine".