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145852011 = 3291117789
BaseRepresentation
bin10001011000110…
…00011001101011
3101011110001100100
420230120121223
5244314231021
622250040443
73420502344
oct1054303153
9334401310
10145852011
1175369858
1240a19123
13242a8b86
14155290cb
15cc10626
hex8b1866b

145852011 has 12 divisors (see below), whose sum is σ = 210918240. Its totient is φ = 97122480.

The previous prime is 145852009. The next prime is 145852019. The reversal of 145852011 is 110258541.

145852011 is a `hidden beast` number, since 1 + 458 + 5 + 201 + 1 = 666.

It is not a de Polignac number, because 145852011 - 21 = 145852009 is a prime.

It is a super-2 number, since 2×1458520112 = 42545618225488242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145852019) 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 11 ways as a sum of consecutive naturals, for example, 696 + ... + 17093.

It is an arithmetic number, because the mean of its divisors is an integer number (17576520).

Almost surely, 2145852011 is an apocalyptic number.

145852011 is a deficient number, since it is larger than the sum of its proper divisors (65066229).

145852011 is a wasteful number, since it uses less digits than its factorization.

145852011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18706 (or 18703 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 27.

The square root of 145852011 is about 12076.9205926014. The cubic root of 145852011 is about 526.3857702472.

The spelling of 145852011 in words is "one hundred forty-five million, eight hundred fifty-two thousand, eleven".

Divisors: 1 3 9 911 2733 8199 17789 53367 160101 16205779 48617337 145852011