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145000255 = 5167211823
BaseRepresentation
bin10001010010010…
…00011100111111
3101002211202221211
420221020130333
5244110002010
622215505251
73410324161
oct1051103477
9332752854
10145000255
1174937924
1240688227
132406b28a
1415386931
15cae308a
hex8a4873f

145000255 has 16 divisors (see below), whose sum is σ = 176085504. Its totient is φ = 114619680.

The previous prime is 145000249. The next prime is 145000277. The reversal of 145000255 is 552000541.

145000255 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 145000255 - 25 = 145000223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 175774 + ... + 176596.

It is an arithmetic number, because the mean of its divisors is an integer number (11005344).

Almost surely, 2145000255 is an apocalyptic number.

145000255 is a deficient number, since it is larger than the sum of its proper divisors (31085249).

145000255 is a wasteful number, since it uses less digits than its factorization.

145000255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1206.

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 145000255 is about 12041.6051670863. The cubic root of 145000255 is about 525.3590952181.

Adding to 145000255 its reverse (552000541), we get a palindrome (697000796).

The spelling of 145000255 in words is "one hundred forty-five million, two hundred fifty-five", and thus it is an aban number.

Divisors: 1 5 167 211 823 835 1055 4115 35237 137441 173653 176185 687205 868265 29000051 145000255