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145680585 = 3541236879
BaseRepresentation
bin10001010111011…
…10100011001001
3101011010100012020
420223232203021
5244243234320
622242235053
73416156511
oct1053564311
9334110166
10145680585
1175261a86
1240955a89
1324248b3b
14154c2841
15cbc9940
hex8aee8c9

145680585 has 16 divisors (see below), whose sum is σ = 238775040. Its totient is φ = 75800960.

The previous prime is 145680553. The next prime is 145680611. The reversal of 145680585 is 585086541.

145680585 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 145680585 - 25 = 145680553 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, 117825 + ... + 119054.

It is an arithmetic number, because the mean of its divisors is an integer number (14923440).

Almost surely, 2145680585 is an apocalyptic number.

145680585 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145680585 is a deficient number, since it is larger than the sum of its proper divisors (93094455).

145680585 is a wasteful number, since it uses less digits than its factorization.

145680585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236928.

The product of its (nonzero) digits is 192000, while the sum is 42.

The square root of 145680585 is about 12069.8212497120. The cubic root of 145680585 is about 526.1794616235.

The spelling of 145680585 in words is "one hundred forty-five million, six hundred eighty thousand, five hundred eighty-five".

Divisors: 1 3 5 15 41 123 205 615 236879 710637 1184395 3553185 9712039 29136117 48560195 145680585