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145553445145 = 554835309263
BaseRepresentation
bin1000011110001110101…
…0010101000100011001
3111220200212111010022201
42013203222111010121
54341043140221040
6150511043250201
713341643604323
oct2074352250431
9456625433281
10145553445145
1156802141729
1224261679961
1310958299204
14708add8613
153bbd54ba9a
hex21e3a95119

145553445145 has 8 divisors (see below), whose sum is σ = 174696022656. Its totient is φ = 116421497136.

The previous prime is 145553445109. The next prime is 145553445199. The reversal of 145553445145 is 541544355541.

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 145553445145 - 217 = 145553314073 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 145553445095 and 145553445104.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 2627217 + ... + 2682046.

It is an arithmetic number, because the mean of its divisors is an integer number (21837002832).

Almost surely, 2145553445145 is an apocalyptic number.

It is an amenable number.

145553445145 is a deficient number, since it is larger than the sum of its proper divisors (29142577511).

145553445145 is an equidigital number, since it uses as much as digits as its factorization.

145553445145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5314751.

The product of its digits is 2400000, while the sum is 46.

The spelling of 145553445145 in words is "one hundred forty-five billion, five hundred fifty-three million, four hundred forty-five thousand, one hundred forty-five".

Divisors: 1 5 5483 27415 5309263 26546315 29110689029 145553445145