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143190045 = 3352693943
BaseRepresentation
bin10001000100011…
…10100000011101
3100222102210211000
420202032200131
5243124040140
622113020513
73356044455
oct1042164035
9328383730
10143190045
1173910889
123bb54739
132388634b
1415034d65
15c886a30
hex888e81d

143190045 has 32 divisors (see below), whose sum is σ = 255571200. Its totient is φ = 76064832.

The previous prime is 143190017. The next prime is 143190067. The reversal of 143190045 is 540091341.

It is not a de Polignac number, because 143190045 - 29 = 143189533 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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, 34344 + ... + 38286.

It is an arithmetic number, because the mean of its divisors is an integer number (7986600).

Almost surely, 2143190045 is an apocalyptic number.

143190045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

143190045 is a deficient number, since it is larger than the sum of its proper divisors (112381155).

143190045 is a wasteful number, since it uses less digits than its factorization.

143190045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4226 (or 4220 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 143190045 is about 11966.2042854031. The cubic root of 143190045 is about 523.1637071345.

The spelling of 143190045 in words is "one hundred forty-three million, one hundred ninety thousand, forty-five".

Divisors: 1 3 5 9 15 27 45 135 269 807 1345 2421 3943 4035 7263 11829 12105 19715 35487 36315 59145 106461 177435 532305 1060667 3182001 5303335 9546003 15910005 28638009 47730015 143190045