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145067238 = 2328059291
BaseRepresentation
bin10001010010110…
…00110011100110
3101002222011211200
420221120303212
5244114122423
622221143330
73411023361
oct1051306346
9332864750
10145067238
1174983188
12406bab46
1324092904
14153a30d8
15cb07d43
hex8a58ce6

145067238 has 12 divisors (see below), whose sum is σ = 314312388. Its totient is φ = 48355740.

The previous prime is 145067231. The next prime is 145067243. The reversal of 145067238 is 832760541.

145067238 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145067231) 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 in 5 ways as a sum of consecutive naturals, for example, 4029628 + ... + 4029663.

It is an arithmetic number, because the mean of its divisors is an integer number (26192699).

Almost surely, 2145067238 is an apocalyptic number.

145067238 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

145067238 is an abundant number, since it is smaller than the sum of its proper divisors (169245150).

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

145067238 is a wasteful number, since it uses less digits than its factorization.

145067238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8059299 (or 8059296 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 145067238 is about 12044.3861611956. The cubic root of 145067238 is about 525.4399794688.

The spelling of 145067238 in words is "one hundred forty-five million, sixty-seven thousand, two hundred thirty-eight".

Divisors: 1 2 3 6 9 18 8059291 16118582 24177873 48355746 72533619 145067238