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145678856 = 2326369239
BaseRepresentation
bin10001010111011…
…10001000001000
3101011010020211012
420223232020020
5244243210411
622242223052
73416151461
oct1053561010
9334106735
10145678856
1175260754
1240954a88
132424810b
14154c1d68
15cbc918b
hex8aee208

145678856 has 16 divisors (see below), whose sum is σ = 274190400. Its totient is φ = 72561424.

The previous prime is 145678853. The next prime is 145678867. The reversal of 145678856 is 658876541.

It is not an unprimeable number, because it can be changed into a prime (145678853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32516 + ... + 36723.

It is an arithmetic number, because the mean of its divisors is an integer number (17136900).

Almost surely, 2145678856 is an apocalyptic number.

It is an amenable number.

145678856 is a deficient number, since it is larger than the sum of its proper divisors (128511544).

145678856 is a wasteful number, since it uses less digits than its factorization.

145678856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69508 (or 69504 counting only the distinct ones).

The product of its digits is 1612800, while the sum is 50.

The square root of 145678856 is about 12069.7496245780. The cubic root of 145678856 is about 526.1773799737.

The spelling of 145678856 in words is "one hundred forty-five million, six hundred seventy-eight thousand, eight hundred fifty-six".

Divisors: 1 2 4 8 263 526 1052 2104 69239 138478 276956 553912 18209857 36419714 72839428 145678856