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145613128 = 2340034547
BaseRepresentation
bin10001010110111…
…10000101001000
3101010222220122211
420223132011020
5244234110003
622240554504
73415456033
oct1053360510
9333886584
10145613128
1175216331
1240922a34
132422421b
14154a601a
15cbb496d
hex8ade148

145613128 has 16 divisors (see below), whose sum is σ = 273152880. Its totient is φ = 72772368.

The previous prime is 145613113. The next prime is 145613129. The reversal of 145613128 is 821316541.

It is a self number, because there is not a number n which added to its sum of digits gives 145613128.

It is not an unprimeable number, because it can be changed into a prime (145613129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29751 + ... + 34297.

It is an arithmetic number, because the mean of its divisors is an integer number (17072055).

Almost surely, 2145613128 is an apocalyptic number.

It is an amenable number.

145613128 is a deficient number, since it is larger than the sum of its proper divisors (127539752).

145613128 is a wasteful number, since it uses less digits than its factorization.

145613128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8556 (or 8552 counting only the distinct ones).

The product of its digits is 5760, while the sum is 31.

The square root of 145613128 is about 12067.0264771401. The cubic root of 145613128 is about 526.0982337603.

Adding to 145613128 its reverse (821316541), we get a palindrome (966929669).

It can be divided in two parts, 14561 and 3128, that added together give a square (17689 = 1332).

The spelling of 145613128 in words is "one hundred forty-five million, six hundred thirteen thousand, one hundred twenty-eight".

Divisors: 1 2 4 8 4003 4547 8006 9094 16012 18188 32024 36376 18201641 36403282 72806564 145613128