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145157263 is a prime number
BaseRepresentation
bin10001010011011…
…10110010001111
3101010010202022221
420221232302033
5244130013023
622223120211
73411550006
oct1051566217
9333122287
10145157263
1174a34889
1240743067
13240c4894
14153c7c3d
15cb2485d
hex8a6ec8f

145157263 has 2 divisors, whose sum is σ = 145157264. Its totient is φ = 145157262.

The previous prime is 145157231. The next prime is 145157279. The reversal of 145157263 is 362751541.

It is a strong prime.

It is an emirp because it is prime and its reverse (362751541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 145157263 - 25 = 145157231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145157213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72578631 + 72578632.

It is an arithmetic number, because the mean of its divisors is an integer number (72578632).

Almost surely, 2145157263 is an apocalyptic number.

145157263 is a deficient number, since it is larger than the sum of its proper divisors (1).

145157263 is an equidigital number, since it uses as much as digits as its factorization.

145157263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25200, while the sum is 34.

The square root of 145157263 is about 12048.1227998390. The cubic root of 145157263 is about 525.5486485091.

The spelling of 145157263 in words is "one hundred forty-five million, one hundred fifty-seven thousand, two hundred sixty-three".