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143445245 = 5251114299
BaseRepresentation
bin10001000110011…
…00110011111101
3100222220202212212
420203030303331
5243210221440
622122310205
73361156466
oct1043146375
9328822785
10143445245
1173a75599
1240058365
1323945558
141509dd6d
15c8d7465
hex88cccfd

143445245 has 8 divisors (see below), whose sum is σ = 172821600. Its totient is φ = 114298000.

The previous prime is 143445241. The next prime is 143445257. The reversal of 143445245 is 542544341.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 143445245 - 22 = 143445241 is a prime.

It is a super-2 number, since 2×1434452452 = 41153076626220050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143445241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55895 + ... + 58404.

It is an arithmetic number, because the mean of its divisors is an integer number (21602700).

Almost surely, 2143445245 is an apocalyptic number.

It is an amenable number.

143445245 is a deficient number, since it is larger than the sum of its proper divisors (29376355).

143445245 is a wasteful number, since it uses less digits than its factorization.

143445245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114555.

The product of its digits is 38400, while the sum is 32.

The square root of 143445245 is about 11976.8629031145. The cubic root of 143445245 is about 523.4743249566.

Adding to 143445245 its reverse (542544341), we get a palindrome (685989586).

The spelling of 143445245 in words is "one hundred forty-three million, four hundred forty-five thousand, two hundred forty-five".

Divisors: 1 5 251 1255 114299 571495 28689049 143445245