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145103195 = 573397543
BaseRepresentation
bin10001010011000…
…01100101011011
3101010001000011102
420221201211123
5244121300240
622222022015
73411233246
oct1051414533
9333030142
10145103195
11749a81a6
124071790b
13240a60a3
14153b225d
15cb13815
hex8a6195b

145103195 has 8 divisors (see below), whose sum is σ = 176509536. Its totient is φ = 114492096.

The previous prime is 145103191. The next prime is 145103213. The reversal of 145103195 is 591301541.

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

It is a cyclic number.

It is not a de Polignac number, because 145103195 - 22 = 145103191 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145103191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198407 + ... + 199136.

It is an arithmetic number, because the mean of its divisors is an integer number (22063692).

Almost surely, 2145103195 is an apocalyptic number.

145103195 is a deficient number, since it is larger than the sum of its proper divisors (31406341).

145103195 is an equidigital number, since it uses as much as digits as its factorization.

145103195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397621.

The product of its (nonzero) digits is 2700, while the sum is 29.

The square root of 145103195 is about 12045.8787558235. The cubic root of 145103195 is about 525.4833884995.

The spelling of 145103195 in words is "one hundred forty-five million, one hundred three thousand, one hundred ninety-five".

Divisors: 1 5 73 365 397543 1987715 29020639 145103195