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159445 = 51113223
BaseRepresentation
bin100110111011010101
322002201101
4212323111
520100240
63230101
71232566
oct467325
9262641
10159445
11a9880
1278331
1357760
144216d
153239a
hex26ed5

159445 has 16 divisors (see below), whose sum is σ = 225792. Its totient is φ = 106560.

The previous prime is 159437. The next prime is 159457. The reversal of 159445 is 544951.

It is not a de Polignac number, because 159445 - 23 = 159437 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 11.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 604 + ... + 826.

It is an arithmetic number, because the mean of its divisors is an integer number (14112).

2159445 is an apocalyptic number.

It is an amenable number.

159445 is a deficient number, since it is larger than the sum of its proper divisors (66347).

159445 is a wasteful number, since it uses less digits than its factorization.

159445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252.

The product of its digits is 3600, while the sum is 28.

The square root of 159445 is about 399.3056473430. The cubic root of 159445 is about 54.2255087055.

The spelling of 159445 in words is "one hundred fifty-nine thousand, four hundred forty-five".

Divisors: 1 5 11 13 55 65 143 223 715 1115 2453 2899 12265 14495 31889 159445