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145856103 = 3192558879
BaseRepresentation
bin10001011000110…
…01011001100111
3101011110020221220
420230121121213
5244314343403
622250111423
73420520311
oct1054313147
9334406856
10145856103
1175371938
1240a1b573
13242aa9b3
141552a7b1
15cc11953
hex8b19667

145856103 has 8 divisors (see below), whose sum is σ = 204710400. Its totient is φ = 92119608.

The previous prime is 145856099. The next prime is 145856111. The reversal of 145856103 is 301658541.

145856103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 145856103 - 22 = 145856099 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145856173) 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, 1279383 + ... + 1279496.

It is an arithmetic number, because the mean of its divisors is an integer number (25588800).

Almost surely, 2145856103 is an apocalyptic number.

145856103 is a deficient number, since it is larger than the sum of its proper divisors (58854297).

145856103 is a wasteful number, since it uses less digits than its factorization.

145856103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2558901.

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 145856103 is about 12077.0900054608. The cubic root of 145856103 is about 526.3906929319.

The spelling of 145856103 in words is "one hundred forty-five million, eight hundred fifty-six thousand, one hundred three".

Divisors: 1 3 19 57 2558879 7676637 48618701 145856103