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145450225 = 52192910559
BaseRepresentation
bin10001010101101…
…10010011110001
3101010200122012101
420222312103301
5244213401400
622233300401
73414210064
oct1052662361
9333618171
10145450225
11751149a8
1240864701
132419802b
14154628db
15cb8156a
hex8ab64f1

145450225 has 24 divisors (see below), whose sum is σ = 196416000. Its totient is φ = 106424640.

The previous prime is 145450213. The next prime is 145450241. The reversal of 145450225 is 522054541.

145450225 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 145450225 - 29 = 145449713 is a prime.

It is a super-3 number, since 3×1454502253 (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145450193 and 145450202.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8496 + ... + 19054.

It is an arithmetic number, because the mean of its divisors is an integer number (8184000).

Almost surely, 2145450225 is an apocalyptic number.

It is an amenable number.

145450225 is a deficient number, since it is larger than the sum of its proper divisors (50965775).

145450225 is a wasteful number, since it uses less digits than its factorization.

145450225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10617 (or 10612 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 145450225 is about 12060.2746651973. The cubic root of 145450225 is about 525.9019717854.

The spelling of 145450225 in words is "one hundred forty-five million, four hundred fifty thousand, two hundred twenty-five".

Divisors: 1 5 19 25 29 95 145 475 551 725 2755 10559 13775 52795 200621 263975 306211 1003105 1531055 5015525 5818009 7655275 29090045 145450225