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145443355 = 5892111549
BaseRepresentation
bin10001010101101…
…00101000011011
3101010200021202221
420222310220123
5244213141410
622233204511
73414151051
oct1052645033
9333607687
10145443355
117510a822
1240860737
1324194b75
14154601d1
15cb7e4da
hex8ab4a1b

145443355 has 16 divisors (see below), whose sum is σ = 177444000. Its totient is φ = 114428160.

The previous prime is 145443341. The next prime is 145443367. The reversal of 145443355 is 553344541.

It is a de Polignac number, because none of the positive numbers 2k-145443355 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 145443355.

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, 93121 + ... + 94669.

It is an arithmetic number, because the mean of its divisors is an integer number (11090250).

Almost surely, 2145443355 is an apocalyptic number.

145443355 is a deficient number, since it is larger than the sum of its proper divisors (32000645).

145443355 is a wasteful number, since it uses less digits than its factorization.

145443355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1854.

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

The square root of 145443355 is about 12059.9898424501. The cubic root of 145443355 is about 525.8936917399.

Adding to 145443355 its reverse (553344541), we get a palindrome (698787896).

The spelling of 145443355 in words is "one hundred forty-five million, four hundred forty-three thousand, three hundred fifty-five".

Divisors: 1 5 89 211 445 1055 1549 7745 18779 93895 137861 326839 689305 1634195 29088671 145443355