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145195 = 571409
BaseRepresentation
bin100011011100101011
321101011121
4203130223
514121240
63040111
71143211
oct433453
9241147
10145195
119a0a6
1270037
135111b
143acb1
152d04a
hex2372b

145195 has 8 divisors (see below), whose sum is σ = 177120. Its totient is φ = 114240.

The previous prime is 145193. The next prime is 145207. The reversal of 145195 is 591541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 145195 - 21 = 145193 is a prime.

145195 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (145193) 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, 151 + ... + 559.

It is an arithmetic number, because the mean of its divisors is an integer number (22140).

2145195 is an apocalyptic number.

145195 is a deficient number, since it is larger than the sum of its proper divisors (31925).

145195 is an equidigital number, since it uses as much as digits as its factorization.

145195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485.

The product of its digits is 900, while the sum is 25.

The square root of 145195 is about 381.0446168102. The cubic root of 145195 is about 52.5594187420.

The spelling of 145195 in words is "one hundred forty-five thousand, one hundred ninety-five".

Divisors: 1 5 71 355 409 2045 29039 145195