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45165 = 353011
BaseRepresentation
bin1011000001101101
32021221210
423001231
52421130
6545033
7245451
oct130155
967853
1045165
1130a2a
1222179
1317733
1412661
15d5b0
hexb06d

45165 has 8 divisors (see below), whose sum is σ = 72288. Its totient is φ = 24080.

The previous prime is 45161. The next prime is 45179. The reversal of 45165 is 56154.

45165 = T90 + T91 + ... + T99.

It is a happy number.

45165 is digitally balanced in base 2 and base 4, because in such bases 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 45165 - 22 = 45161 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45161) 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, 1491 + ... + 1520.

It is an arithmetic number, because the mean of its divisors is an integer number (9036).

245165 is an apocalyptic number.

It is an amenable number.

45165 is a deficient number, since it is larger than the sum of its proper divisors (27123).

45165 is a wasteful number, since it uses less digits than its factorization.

45165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3019.

The product of its digits is 600, while the sum is 21.

The square root of 45165 is about 212.5205872380. The cubic root of 45165 is about 35.6123531594.

It can be divided in two parts, 45 and 165, that added together give a triangular number (210 = T20).

The spelling of 45165 in words is "forty-five thousand, one hundred sixty-five".

Divisors: 1 3 5 15 3011 9033 15055 45165