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1444743045 = 3251723157523
BaseRepresentation
bin101011000011101…
…0000011110000101
310201200112112212200
41112013100132011
510424323234140
6355205505113
750542053564
oct12607203605
93650475780
101444743045
11681579919
12343a12199
131a0416155
14d9c3bbdb
1586c82030
hex561d0785

1444743045 has 96 divisors (see below), whose sum is σ = 2789759232. Its totient is φ = 687937536.

The previous prime is 1444743031. The next prime is 1444743121. The reversal of 1444743045 is 5403474441.

1444743045 is a `hidden beast` number, since 144 + 47 + 430 + 45 = 666.

It is not a de Polignac number, because 1444743045 - 24 = 1444743029 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2762154 + ... + 2762676.

It is an arithmetic number, because the mean of its divisors is an integer number (29059992).

Almost surely, 21444743045 is an apocalyptic number.

1444743045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1444743045 is a deficient number, since it is larger than the sum of its proper divisors (1345016187).

1444743045 is a wasteful number, since it uses less digits than its factorization.

1444743045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 731 (or 728 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 36.

The square root of 1444743045 is about 38009.7756504823. The cubic root of 1444743045 is about 1130.4817026343.

The spelling of 1444743045 in words is "one billion, four hundred forty-four million, seven hundred forty-three thousand, forty-five".

Divisors: 1 3 5 9 15 17 23 45 51 69 85 115 153 157 207 255 345 391 471 523 765 785 1035 1173 1413 1569 1955 2355 2615 2669 3519 3611 4707 5865 7065 7845 8007 8891 10833 12029 13345 17595 18055 23535 24021 26673 32499 36087 40035 44455 54165 60145 61387 80019 82111 108261 120105 133365 162495 180435 184161 204493 246333 306935 400095 410555 541305 552483 613479 738999 920805 1022465 1231665 1395887 1840437 1888553 2762415 3067395 3694995 4187661 5665659 6979435 9202185 9442765 12562983 16996977 20938305 28328295 32105401 62814915 84984885 96316203 160527005 288948609 481581015 1444743045