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145200033 = 361119953
BaseRepresentation
bin10001010011110…
…01001110100001
3101010012221000000
420221321032201
5244132400113
622224050213
73412115466
oct1051711641
9333187000
10145200033
1174a63a30
1240763969
132410b1a4
14153d966d
15cb32373
hex8a793a1

145200033 has 56 divisors (see below), whose sum is σ = 250253280. Its totient is φ = 83280960.

The previous prime is 145200031. The next prime is 145200047. The reversal of 145200033 is 330002541.

It is not a de Polignac number, because 145200033 - 21 = 145200031 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 145199979 and 145200015.

It is not an unprimeable number, because it can be changed into a prime (145200031) 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 55 ways as a sum of consecutive naturals, for example, 151885 + ... + 152837.

Almost surely, 2145200033 is an apocalyptic number.

It is an amenable number.

145200033 is a deficient number, since it is larger than the sum of its proper divisors (105053247).

145200033 is an equidigital number, since it uses as much as digits as its factorization.

145200033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001 (or 986 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 145200033 is about 12049.8976344200. The cubic root of 145200033 is about 525.6002603677.

Adding to 145200033 its reverse (330002541), we get a palindrome (475202574).

The spelling of 145200033 in words is "one hundred forty-five million, two hundred thousand, thirty-three".

Divisors: 1 3 9 11 19 27 33 57 81 99 171 209 243 297 513 627 729 891 953 1539 1881 2673 2859 4617 5643 8019 8577 10483 13851 16929 18107 25731 31449 50787 54321 77193 94347 152361 162963 199177 231579 283041 488889 597531 694737 849123 1466667 1792593 2547369 4400001 5377779 7642107 13200003 16133337 48400011 145200033