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143401345 = 543666983
BaseRepresentation
bin10001000110000…
…10000110000001
3100222211112122221
420203002012001
5243202320340
622121331041
73360614503
oct1043020601
9328745587
10143401345
1173a4560a
1240036a81
132392b589
141508bd73
15c8c944a
hex88c2181

143401345 has 8 divisors (see below), whose sum is σ = 176083776. Its totient is φ = 112052976.

The previous prime is 143401337. The next prime is 143401351. The reversal of 143401345 is 543104341.

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 143401345 - 23 = 143401337 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 333277 + ... + 333706.

It is an arithmetic number, because the mean of its divisors is an integer number (22010472).

Almost surely, 2143401345 is an apocalyptic number.

It is an amenable number.

143401345 is a deficient number, since it is larger than the sum of its proper divisors (32682431).

143401345 is an equidigital number, since it uses as much as digits as its factorization.

143401345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667031.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 143401345 is about 11975.0300625927. The cubic root of 143401345 is about 523.4209181262.

Adding to 143401345 its reverse (543104341), we get a palindrome (686505686).

The spelling of 143401345 in words is "one hundred forty-three million, four hundred one thousand, three hundred forty-five".

Divisors: 1 5 43 215 666983 3334915 28680269 143401345