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145537327 = 13431671559
BaseRepresentation
bin10001010110010…
…11100100101111
3101010212001200101
420223023210233
5244224143302
622235211531
73415022035
oct1053134457
9333761611
10145537327
1175174391
12408a6ba7
13241c8880
1415486555
15cb9c287
hex8acb92f

145537327 has 16 divisors (see below), whose sum is σ = 161441280. Its totient is φ = 130348512.

The previous prime is 145537313. The next prime is 145537349. The reversal of 145537327 is 723735541.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-145537327 is a prime.

It is a super-2 number, since 2×1455373272 = 42362227100609858, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145537367) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92574 + ... + 94132.

It is an arithmetic number, because the mean of its divisors is an integer number (10090080).

Almost surely, 2145537327 is an apocalyptic number.

145537327 is a deficient number, since it is larger than the sum of its proper divisors (15903953).

145537327 is a wasteful number, since it uses less digits than its factorization.

145537327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1782.

The product of its digits is 88200, while the sum is 37.

The square root of 145537327 is about 12063.8852365231. The cubic root of 145537327 is about 526.0069285907.

The spelling of 145537327 in words is "one hundred forty-five million, five hundred thirty-seven thousand, three hundred twenty-seven".

Divisors: 1 13 43 167 559 1559 2171 7181 20267 67037 93353 260353 871481 3384589 11195179 145537327