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145765 = 529153
BaseRepresentation
bin100011100101100101
321101221201
4203211211
514131030
63042501
71144654
oct434545
9241851
10145765
119a574
1270431
1351469
143b19b
152d2ca
hex23965

145765 has 4 divisors (see below), whose sum is σ = 174924. Its totient is φ = 116608.

The previous prime is 145759. The next prime is 145771. The reversal of 145765 is 567541.

145765 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

145765 is an esthetic number in base 8, because in such base its adjacent digits differ by 1.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (145759) and next prime (145771).

It can be written as a sum of positive squares in 2 ways, for example, as 20449 + 125316 = 143^2 + 354^2 .

It is a cyclic number.

It is not a de Polignac number, because 145765 - 23 = 145757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14572 + ... + 14581.

It is an arithmetic number, because the mean of its divisors is an integer number (43731).

2145765 is an apocalyptic number.

It is an amenable number.

145765 is a deficient number, since it is larger than the sum of its proper divisors (29159).

145765 is an equidigital number, since it uses as much as digits as its factorization.

145765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29158.

The product of its digits is 4200, while the sum is 28.

The square root of 145765 is about 381.7918280948. The cubic root of 145765 is about 52.6281074026.

The spelling of 145765 in words is "one hundred forty-five thousand, seven hundred sixty-five".

Divisors: 1 5 29153 145765