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145073256 = 23323325943
BaseRepresentation
bin10001010010110…
…10010001101000
3101002222111002120
420221122101220
5244114321011
622221231240
73411050046
oct1051322150
9332874076
10145073256
1174987759
1240702520
1324095583
14153a5396
15cb09a06
hex8a5a468

145073256 has 32 divisors (see below), whose sum is σ = 364253760. Its totient is φ = 48148352.

The previous prime is 145073251. The next prime is 145073267. The reversal of 145073256 is 652370541.

145073256 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (145073251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7380 + ... + 18563.

It is an arithmetic number, because the mean of its divisors is an integer number (11382930).

Almost surely, 2145073256 is an apocalyptic number.

It is an amenable number.

145073256 is an abundant number, since it is smaller than the sum of its proper divisors (219180504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145073256 is a wasteful number, since it uses less digits than its factorization.

145073256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26185 (or 26181 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 33.

The square root of 145073256 is about 12044.6359845369. The cubic root of 145073256 is about 525.4472451895.

The spelling of 145073256 in words is "one hundred forty-five million, seventy-three thousand, two hundred fifty-six".

Divisors: 1 2 3 4 6 8 12 24 233 466 699 932 1398 1864 2796 5592 25943 51886 77829 103772 155658 207544 311316 622632 6044719 12089438 18134157 24178876 36268314 48357752 72536628 145073256