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145530675 = 345271867
BaseRepresentation
bin10001010110010…
…01111100110011
3101010211201120000
420223021330303
5244223440200
622235121043
73414663453
oct1053117463
9333751500
10145530675
117516a394
12408a3183
13241c5834
1415483d63
15cb9a300
hex8ac9f33

145530675 has 30 divisors (see below), whose sum is σ = 269576868. Its totient is φ = 77615280.

The previous prime is 145530673. The next prime is 145530677. The reversal of 145530675 is 576035541.

It is an interprime number because it is at equal distance from previous prime (145530673) and next prime (145530677).

It is not a de Polignac number, because 145530675 - 21 = 145530673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145530673) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 33909 + ... + 37958.

Almost surely, 2145530675 is an apocalyptic number.

145530675 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

145530675 is a deficient number, since it is larger than the sum of its proper divisors (124046193).

145530675 is an equidigital number, since it uses as much as digits as its factorization.

145530675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71889 (or 71875 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 36.

The square root of 145530675 is about 12063.6095344636. The cubic root of 145530675 is about 525.9989144922.

The spelling of 145530675 in words is "one hundred forty-five million, five hundred thirty thousand, six hundred seventy-five".

Divisors: 1 3 5 9 15 25 27 45 75 81 135 225 405 675 2025 71867 215601 359335 646803 1078005 1796675 1940409 3234015 5390025 5821227 9702045 16170075 29106135 48510225 145530675