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45149085 = 3252921193
BaseRepresentation
bin1010110000111…
…0101110011101
310010221210220100
42230032232131
543024232320
64251411313
71055521662
oct254165635
9103853810
1045149085
11235381a3
1213153b39
13947a447
145dd3a69
153e6c790
hex2b0eb9d

45149085 has 36 divisors (see below), whose sum is σ = 81117972. Its totient is φ = 23229696.

The previous prime is 45149063. The next prime is 45149087. The reversal of 45149085 is 58094154.

It can be written as a sum of positive squares in 6 ways, for example, as 71289 + 45077796 = 267^2 + 6714^2 .

It is not a de Polignac number, because 45149085 - 29 = 45148573 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45149087) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 37249 + ... + 38441.

It is an arithmetic number, because the mean of its divisors is an integer number (2253277).

Almost surely, 245149085 is an apocalyptic number.

45149085 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

45149085 is a deficient number, since it is larger than the sum of its proper divisors (35968887).

45149085 is a wasteful number, since it uses less digits than its factorization.

45149085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1262 (or 1230 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 45149085 is about 6719.3068838981. The cubic root of 45149085 is about 356.0816970479.

The spelling of 45149085 in words is "forty-five million, one hundred forty-nine thousand, eighty-five".

Divisors: 1 3 5 9 15 29 45 87 145 261 435 841 1193 1305 2523 3579 4205 5965 7569 10737 12615 17895 34597 37845 53685 103791 172985 311373 518955 1003313 1556865 3009939 5016565 9029817 15049695 45149085