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143396345 = 5181158449
BaseRepresentation
bin10001000110000…
…00110111111001
3100222211021210202
420203000313321
5243202140340
622121251545
73360564101
oct1043006771
9328737722
10143396345
1173a41884
1240033bb5
1323929211
141508a201
15c8c7c15
hex88c0df9

143396345 has 8 divisors (see below), whose sum is σ = 173027400. Its totient is φ = 114082560.

The previous prime is 143396333. The next prime is 143396347. The reversal of 143396345 is 543693341.

It can be written as a sum of positive squares in 4 ways, for example, as 4227136 + 139169209 = 2056^2 + 11797^2 .

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

It is not a de Polignac number, because 143396345 - 214 = 143379961 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 143396299 and 143396308.

It is not an unprimeable number, because it can be changed into a prime (143396347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78320 + ... + 80129.

It is an arithmetic number, because the mean of its divisors is an integer number (21628425).

Almost surely, 2143396345 is an apocalyptic number.

It is an amenable number.

143396345 is a deficient number, since it is larger than the sum of its proper divisors (29631055).

143396345 is a wasteful number, since it uses less digits than its factorization.

143396345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158635.

The product of its digits is 116640, while the sum is 38.

The square root of 143396345 is about 11974.8212930298. The cubic root of 143396345 is about 523.4148346524.

The spelling of 143396345 in words is "one hundred forty-three million, three hundred ninety-six thousand, three hundred forty-five".

Divisors: 1 5 181 905 158449 792245 28679269 143396345