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145206328 = 2318150791
BaseRepresentation
bin10001010011110…
…10110000111000
3101010020020122011
420221322300320
5244133100303
622224135304
73412143031
oct1051726070
9333206564
10145206328
1174a68733
1240767534
1324111007
14153dba88
15cb3416d
hex8a7ac38

145206328 has 8 divisors (see below), whose sum is σ = 272261880. Its totient is φ = 72603160.

The previous prime is 145206319. The next prime is 145206329. The reversal of 145206328 is 823602541.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 145206328.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145206329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9075388 + ... + 9075403.

It is an arithmetic number, because the mean of its divisors is an integer number (34032735).

Almost surely, 2145206328 is an apocalyptic number.

It is an amenable number.

145206328 is a deficient number, since it is larger than the sum of its proper divisors (127055552).

145206328 is a wasteful number, since it uses less digits than its factorization.

145206328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18150797 (or 18150793 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 145206328 is about 12050.1588371274. The cubic root of 145206328 is about 525.6078558798.

Adding to 145206328 its reverse (823602541), we get a palindrome (968808869).

The spelling of 145206328 in words is "one hundred forty-five million, two hundred six thousand, three hundred twenty-eight".

Divisors: 1 2 4 8 18150791 36301582 72603164 145206328