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145066238 = 2831396287
BaseRepresentation
bin10001010010110…
…00100011111110
3101002222010110122
420221120203332
5244114104423
622221134542
73411020432
oct1051304376
9332863418
10145066238
1174982459
12406ba452
1324092315
14153a29c2
15cb078c8
hex8a588fe

145066238 has 16 divisors (see below), whose sum is σ = 221840640. Its totient is φ = 71132376.

The previous prime is 145066237. The next prime is 145066289. The reversal of 145066238 is 832660541.

145066238 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 145066198 and 145066207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145066231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19931 + ... + 26217.

It is an arithmetic number, because the mean of its divisors is an integer number (13865040).

Almost surely, 2145066238 is an apocalyptic number.

145066238 is a deficient number, since it is larger than the sum of its proper divisors (76774402).

145066238 is a wasteful number, since it uses less digits than its factorization.

145066238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6511.

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 145066238 is about 12044.3446480080. The cubic root of 145066238 is about 525.4387721179.

The spelling of 145066238 in words is "one hundred forty-five million, sixty-six thousand, two hundred thirty-eight".

Divisors: 1 2 83 139 166 278 6287 11537 12574 23074 521821 873893 1043642 1747786 72533119 145066238