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145255112 = 23174110429
BaseRepresentation
bin10001010100001…
…10101011001000
3101010022201112222
420222012223020
5244141130422
622225153212
73412435202
oct1052065310
9333281488
10145255112
1174aa1352
124078b808
132412a292
1415411772
15cb43842
hex8a86ac8

145255112 has 16 divisors (see below), whose sum is σ = 272535900. Its totient is φ = 72578880.

The previous prime is 145255111. The next prime is 145255147. The reversal of 145255112 is 211552541.

It can be written as a sum of positive squares in 2 ways, for example, as 145106116 + 148996 = 12046^2 + 386^2 .

It is not an unprimeable number, because it can be changed into a prime (145255111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8714 + ... + 19142.

Almost surely, 2145255112 is an apocalyptic number.

It is an amenable number.

145255112 is a deficient number, since it is larger than the sum of its proper divisors (127280788).

145255112 is a wasteful number, since it uses less digits than its factorization.

145255112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12176 (or 12172 counting only the distinct ones).

The product of its digits is 2000, while the sum is 26.

The square root of 145255112 is about 12052.1828728243. The cubic root of 145255112 is about 525.6667109426. Note that the first 3 decimals are identical.

The spelling of 145255112 in words is "one hundred forty-five million, two hundred fifty-five thousand, one hundred twelve".

Divisors: 1 2 4 8 1741 3482 6964 10429 13928 20858 41716 83432 18156889 36313778 72627556 145255112