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143044225 = 5256310163
BaseRepresentation
bin10001000011010…
…10111010000001
3100222011101210021
420201222322001
5243104403400
622105533441
73354566362
oct1041527201
9328141707
10143044225
1173821275
123baa4281
1323834b6c
1414dd7b69
15c85871a
hex886ae81

143044225 has 12 divisors (see below), whose sum is σ = 177707376. Its totient is φ = 114220880.

The previous prime is 143044193. The next prime is 143044267. The reversal of 143044225 is 522440341.

It is a happy number.

It is not a de Polignac number, because 143044225 - 25 = 143044193 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 143044225.

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 11 ways as a sum of consecutive naturals, for example, 8994 + ... + 19156.

It is an arithmetic number, because the mean of its divisors is an integer number (14808948).

Almost surely, 2143044225 is an apocalyptic number.

It is an amenable number.

143044225 is a deficient number, since it is larger than the sum of its proper divisors (34663151).

143044225 is a wasteful number, since it uses less digits than its factorization.

143044225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10736 (or 10731 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 143044225 is about 11960.1097402992. The cubic root of 143044225 is about 522.9860559513.

Adding to 143044225 its reverse (522440341), we get a palindrome (665484566).

The spelling of 143044225 in words is "one hundred forty-three million, forty-four thousand, two hundred twenty-five".

Divisors: 1 5 25 563 2815 10163 14075 50815 254075 5721769 28608845 143044225