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145530323 = 296182267
BaseRepresentation
bin10001010110010…
…01110111010011
3101010211201001222
420223021313103
5244223432243
622235115255
73414662441
oct1053116723
9333751058
10145530323
117516a0a4
12408a2b2b
13241c5623
1415483b91
15cb9a168
hex8ac9dd3

145530323 has 8 divisors (see below), whose sum is σ = 153018480. Its totient is φ = 138206880.

The previous prime is 145530317. The next prime is 145530331. The reversal of 145530323 is 323035541.

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 145530323 - 28 = 145530067 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 145530292 and 145530301.

It is not an unprimeable number, because it can be changed into a prime (145530383) 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, 39365 + ... + 42902.

It is an arithmetic number, because the mean of its divisors is an integer number (19127310).

Almost surely, 2145530323 is an apocalyptic number.

145530323 is a deficient number, since it is larger than the sum of its proper divisors (7488157).

145530323 is an equidigital number, since it uses as much as digits as its factorization.

145530323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82357.

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 145530323 is about 12063.5949451231. The cubic root of 145530323 is about 525.9984904080.

Adding to 145530323 its reverse (323035541), we get a palindrome (468565864).

The spelling of 145530323 in words is "one hundred forty-five million, five hundred thirty thousand, three hundred twenty-three".

Divisors: 1 29 61 1769 82267 2385743 5018287 145530323