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145152173 is a prime number
BaseRepresentation
bin10001010011011…
…01100010101101
3101010010111100102
420221231202231
5244124332143
622223040445
73411526115
oct1051554255
9333114312
10145152173
1174a30a81
1240740125
13240c247a
14153c6045
15cb230b8
hex8a6d8ad

145152173 has 2 divisors, whose sum is σ = 145152174. Its totient is φ = 145152172.

The previous prime is 145152167. The next prime is 145152179. The reversal of 145152173 is 371251541.

145152173 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (145152167) and next prime (145152179).

It can be written as a sum of positive squares in only one way, i.e., 112741924 + 32410249 = 10618^2 + 5693^2 .

It is a cyclic number.

It is not a de Polignac number, because 145152173 - 28 = 145151917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145152179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72576086 + 72576087.

It is an arithmetic number, because the mean of its divisors is an integer number (72576087).

Almost surely, 2145152173 is an apocalyptic number.

It is an amenable number.

145152173 is a deficient number, since it is larger than the sum of its proper divisors (1).

145152173 is an equidigital number, since it uses as much as digits as its factorization.

145152173 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4200, while the sum is 29.

The square root of 145152173 is about 12047.9115617604. The cubic root of 145152173 is about 525.5425055764.

The spelling of 145152173 in words is "one hundred forty-five million, one hundred fifty-two thousand, one hundred seventy-three".