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143230153 = 1191114293
BaseRepresentation
bin10001000100110…
…00010011001001
3100222111211211111
420202120103021
5243131331103
622113530321
73356302423
oct1042302311
9328454744
10143230153
1173938a30
123bb739a1
132389b691
1415045813
15c89386d
hex88984c9

143230153 has 8 divisors (see below), whose sum is σ = 156433536. Its totient is φ = 130057200.

The previous prime is 143230147. The next prime is 143230169. The reversal of 143230153 is 351032341.

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

It is a cyclic number.

It is not a de Polignac number, because 143230153 - 221 = 141133001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143230123) 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, 2875 + ... + 17167.

It is an arithmetic number, because the mean of its divisors is an integer number (19554192).

Almost surely, 2143230153 is an apocalyptic number.

It is an amenable number.

143230153 is a deficient number, since it is larger than the sum of its proper divisors (13203383).

143230153 is a wasteful number, since it uses less digits than its factorization.

143230153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15215.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 143230153 is about 11967.8800545460. The cubic root of 143230153 is about 523.2125491964.

Adding to 143230153 its reverse (351032341), we get a palindrome (494262494).

The spelling of 143230153 in words is "one hundred forty-three million, two hundred thirty thousand, one hundred fifty-three".

Divisors: 1 11 911 10021 14293 157223 13020923 143230153