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BaseRepresentation
bin1000111001011101
31211222211
420321131
52131240
6440421
7211153
oct107135
954884
1036445
1125422
1219111
1313786
14d3d3
15abea
hex8e5d

36445 has 8 divisors (see below), whose sum is σ = 45144. Its totient is φ = 28224.

The previous prime is 36433. The next prime is 36451. The reversal of 36445 is 54463.

It can be written as a sum of positive squares in 4 ways, for example, as 21316 + 15129 = 146^2 + 123^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 36445 - 29 = 35933 is a prime.

It is an Ulam number.

It is a Duffinian number.

36445 is an undulating number in base 14.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87 + ... + 283.

It is an arithmetic number, because the mean of its divisors is an integer number (5643).

236445 is an apocalyptic number.

It is an amenable number.

36445 is a deficient number, since it is larger than the sum of its proper divisors (8699).

36445 is a wasteful number, since it uses less digits than its factorization.

36445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239.

The product of its digits is 1440, while the sum is 22.

The square root of 36445 is about 190.9057359013. The cubic root of 36445 is about 33.1547673561.

The spelling of 36445 in words is "thirty-six thousand, four hundred forty-five".

Divisors: 1 5 37 185 197 985 7289 36445