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145524250 = 2531797353
BaseRepresentation
bin10001010110010…
…00011000011010
3101010211101202001
420223020120122
5244223234000
622235031214
73414635644
oct1053103032
9333741661
10145524250
1175165583
124089b50a
13241c2931
1415481894
15cb9846a
hex8ac861a

145524250 has 64 divisors (see below), whose sum is σ = 292245408. Its totient is φ = 54067200.

The previous prime is 145524229. The next prime is 145524257. The reversal of 145524250 is 52425541.

It can be written as a sum of positive squares in 16 ways, for example, as 2745649 + 142778601 = 1657^2 + 11949^2 .

It is not an unprimeable number, because it can be changed into a prime (145524257) 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 31 ways as a sum of consecutive naturals, for example, 412074 + ... + 412426.

Almost surely, 2145524250 is an apocalyptic number.

145524250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145524250 is an abundant number, since it is smaller than the sum of its proper divisors (146721158).

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

145524250 is a wasteful number, since it uses less digits than its factorization.

145524250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484 (or 474 counting only the distinct ones).

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

The square root of 145524250 is about 12063.3432347753. The cubic root of 145524250 is about 525.9911736436.

Adding to 145524250 its reverse (52425541), we get a palindrome (197949791).

The spelling of 145524250 in words is "one hundred forty-five million, five hundred twenty-four thousand, two hundred fifty".

Divisors: 1 2 5 10 17 25 34 50 85 97 125 170 194 250 353 425 485 706 850 970 1649 1765 2125 2425 3298 3530 4250 4850 6001 8245 8825 12002 12125 16490 17650 24250 30005 34241 41225 44125 60010 68482 82450 88250 150025 171205 206125 300050 342410 412250 582097 750125 856025 1164194 1500250 1712050 2910485 4280125 5820970 8560250 14552425 29104850 72762125 145524250