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BaseRepresentation
bin100011011101110001
321101021012
4203131301
514122030
63040305
71143341
oct433561
9241235
10145265
119a15a
1270095
1351173
152d095
hex23771

145265 has 8 divisors (see below), whose sum is σ = 184680. Its totient is φ = 109312.

The previous prime is 145259. The next prime is 145267. The reversal of 145265 is 562541.

It can be written as a sum of positive squares in 4 ways, for example, as 12769 + 132496 = 113^2 + 364^2 .

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 145265 - 28 = 145009 is a prime.

It is a super-2 number, since 2×1452652 = 42203840450, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 145265.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145267) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 770 + ... + 939.

It is an arithmetic number, because the mean of its divisors is an integer number (23085).

2145265 is an apocalyptic number.

It is an amenable number.

145265 is a deficient number, since it is larger than the sum of its proper divisors (39415).

145265 is a wasteful number, since it uses less digits than its factorization.

145265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1731.

The product of its digits is 1200, while the sum is 23.

The square root of 145265 is about 381.1364585027. The cubic root of 145265 is about 52.5678638634.

The spelling of 145265 in words is "one hundred forty-five thousand, two hundred sixty-five".

Divisors: 1 5 17 85 1709 8545 29053 145265