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143580142 = 271790071
BaseRepresentation
bin10001000111011…
…01101111101110
3101000011121221001
420203231233232
5243224031032
622125230514
73362260666
oct1043555756
9330147831
10143580142
1174057982
124010243a
1323991a84
14150d71a6
15c9123e7
hex88edbee

143580142 has 4 divisors (see below), whose sum is σ = 215370216. Its totient is φ = 71790070.

The previous prime is 143580133. The next prime is 143580149. The reversal of 143580142 is 241085341.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 143580142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143580149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35895034 + ... + 35895037.

It is an arithmetic number, because the mean of its divisors is an integer number (53842554).

Almost surely, 2143580142 is an apocalyptic number.

143580142 is a deficient number, since it is larger than the sum of its proper divisors (71790074).

143580142 is an equidigital number, since it uses as much as digits as its factorization.

143580142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71790073.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 143580142 is about 11982.4931462530. The cubic root of 143580142 is about 523.6383666249.

The spelling of 143580142 in words is "one hundred forty-three million, five hundred eighty thousand, one hundred forty-two".

Divisors: 1 2 71790071 143580142