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143455345 = 5116074297
BaseRepresentation
bin10001000110011…
…11010001110001
3100222221021201221
420203033101301
5243211032340
622122425041
73361231105
oct1043172161
9328837657
10143455345
1173a82140
1240062181
132394a027
14150a3905
15c8da44a
hex88cf471

143455345 has 16 divisors (see below), whose sum is σ = 188149248. Its totient is φ = 104135040.

The previous prime is 143455309. The next prime is 143455379. The reversal of 143455345 is 543554341.

It is not a de Polignac number, because 143455345 - 27 = 143455217 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 143455345.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 31237 + ... + 35533.

It is an arithmetic number, because the mean of its divisors is an integer number (11759328).

Almost surely, 2143455345 is an apocalyptic number.

It is an amenable number.

143455345 is a deficient number, since it is larger than the sum of its proper divisors (44693903).

143455345 is a wasteful number, since it uses less digits than its factorization.

143455345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4920.

The product of its digits is 72000, while the sum is 34.

The square root of 143455345 is about 11977.2845419987. The cubic root of 143455345 is about 523.4866106353.

The spelling of 143455345 in words is "one hundred forty-three million, four hundred fifty-five thousand, three hundred forty-five".

Divisors: 1 5 11 55 607 3035 4297 6677 21485 33385 47267 236335 2608279 13041395 28691069 143455345