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145747585 = 5318311329
BaseRepresentation
bin10001010111111…
…10111010000001
3101011020202002201
420223332322001
5244302410320
622243513201
73416556034
oct1053767201
9334222081
10145747585
11752a8355
1240988801
1324270499
14154dd01b
15cbde70a
hex8afee81

145747585 has 16 divisors (see below), whose sum is σ = 182730240. Its totient is φ = 111467520.

The previous prime is 145747577. The next prime is 145747601. The reversal of 145747585 is 585747541.

It is not a de Polignac number, because 145747585 - 23 = 145747577 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7201 + ... + 18529.

It is an arithmetic number, because the mean of its divisors is an integer number (11420640).

Almost surely, 2145747585 is an apocalyptic number.

It is an amenable number.

145747585 is a deficient number, since it is larger than the sum of its proper divisors (36982655).

145747585 is a wasteful number, since it uses less digits than its factorization.

145747585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11448.

The product of its digits is 784000, while the sum is 46.

The square root of 145747585 is about 12072.5964481548. The cubic root of 145747585 is about 526.2601143765.

The spelling of 145747585 in words is "one hundred forty-five million, seven hundred forty-seven thousand, five hundred eighty-five".

Divisors: 1 5 31 83 155 415 2573 11329 12865 56645 351199 940307 1755995 4701535 29149517 145747585