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145205516166 = 2335393683777
BaseRepresentation
bin1000011100111011101…
…1000101011110000110
3111212210121210111111020
42013032323011132012
54334340103004131
6150412334052010
713330220344164
oct2071673053606
9455717714436
10145205516166
1156643801517
122418504a006
1310901189889
147056b0a234
153b9cc21996
hex21ceec5786

145205516166 has 16 divisors (see below), whose sum is σ = 290419662384. Its totient is φ = 48400400384.

The previous prime is 145205516161. The next prime is 145205516171. The reversal of 145205516166 is 661615502541.

It is an interprime number because it is at equal distance from previous prime (145205516161) and next prime (145205516171).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145205516161) 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, 129531 + ... + 554246.

It is an arithmetic number, because the mean of its divisors is an integer number (18151228899).

Almost surely, 2145205516166 is an apocalyptic number.

145205516166 is an abundant number, since it is smaller than the sum of its proper divisors (145214146218).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145205516166 is a wasteful number, since it uses less digits than its factorization.

145205516166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 719175.

The product of its (nonzero) digits is 216000, while the sum is 42.

The spelling of 145205516166 in words is "one hundred forty-five billion, two hundred five million, five hundred sixteen thousand, one hundred sixty-six".

Divisors: 1 2 3 6 35393 70786 106179 212358 683777 1367554 2051331 4102662 24200919361 48401838722 72602758083 145205516166