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145718183 = 1385913049
BaseRepresentation
bin10001010111101…
…11101110100111
3101011012020202202
420223313232213
5244300440213
622243125115
73416404232
oct1053675647
9334166682
10145718183
1175288256
124097379b
132425cca0
14154d2419
15cbd5b58
hex8af7ba7

145718183 has 8 divisors (see below), whose sum is σ = 157122000. Its totient is φ = 134342208.

The previous prime is 145718129. The next prime is 145718191. The reversal of 145718183 is 381817541.

It is a happy number.

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

It is not a de Polignac number, because 145718183 - 214 = 145701799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145718113) 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, 4643 + ... + 17691.

It is an arithmetic number, because the mean of its divisors is an integer number (19640250).

Almost surely, 2145718183 is an apocalyptic number.

145718183 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

145718183 is a deficient number, since it is larger than the sum of its proper divisors (11403817).

145718183 is a wasteful number, since it uses less digits than its factorization.

145718183 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13921.

The product of its digits is 26880, while the sum is 38.

The square root of 145718183 is about 12071.3786702265. The cubic root of 145718183 is about 526.2247241035.

The spelling of 145718183 in words is "one hundred forty-five million, seven hundred eighteen thousand, one hundred eighty-three".

Divisors: 1 13 859 11167 13049 169637 11209091 145718183