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143242325 = 529759069
BaseRepresentation
bin10001000100110…
…11010001010101
3100222112110112022
420202123101111
5243132223300
622114102525
73356353052
oct1042332125
9328473468
10143242325
1173947096
123bb7aa45
13238a4095
141504a029
15c897285
hex889b455

143242325 has 12 divisors (see below), whose sum is σ = 179454660. Its totient is φ = 113410560.

The previous prime is 143242301. The next prime is 143242369. The reversal of 143242325 is 523242341.

It can be written as a sum of positive squares in 6 ways, for example, as 152881 + 143089444 = 391^2 + 11962^2 .

It is not a de Polignac number, because 143242325 - 26 = 143242261 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 143242294 and 143242303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27110 + ... + 31959.

It is an arithmetic number, because the mean of its divisors is an integer number (14954555).

Almost surely, 2143242325 is an apocalyptic number.

It is an amenable number.

143242325 is a deficient number, since it is larger than the sum of its proper divisors (36212335).

143242325 is an equidigital number, since it uses as much as digits as its factorization.

143242325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59176 (or 59171 counting only the distinct ones).

The product of its digits is 5760, while the sum is 26.

The square root of 143242325 is about 11968.3885715663. The cubic root of 143242325 is about 523.2273700113.

Adding to 143242325 its reverse (523242341), we get a palindrome (666484666).

The spelling of 143242325 in words is "one hundred forty-three million, two hundred forty-two thousand, three hundred twenty-five".

Divisors: 1 5 25 97 485 2425 59069 295345 1476725 5729693 28648465 143242325