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1445328345 = 35317734021
BaseRepresentation
bin101011000100101…
…1111010111011001
310201201122021202110
41112021133113121
510430001001340
6355230222533
750550042156
oct12611372731
93651567673
101445328345
1168193963a
12344054a49
131a058c696
14d9d5122d
1586d4a680
hex5625f5d9

1445328345 has 32 divisors (see below), whose sum is σ = 2390805504. Its totient is φ = 744825600.

The previous prime is 1445328343. The next prime is 1445328383. The reversal of 1445328345 is 5438235441.

It is not a de Polignac number, because 1445328345 - 21 = 1445328343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1445328343) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 357435 + ... + 361455.

It is an arithmetic number, because the mean of its divisors is an integer number (74712672).

Almost surely, 21445328345 is an apocalyptic number.

1445328345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1445328345 is a deficient number, since it is larger than the sum of its proper divisors (945477159).

1445328345 is a wasteful number, since it uses less digits than its factorization.

1445328345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4833.

The product of its digits is 230400, while the sum is 39.

The square root of 1445328345 is about 38017.4742059490. The cubic root of 1445328345 is about 1130.6343437585.

The spelling of 1445328345 in words is "one billion, four hundred forty-five million, three hundred twenty-eight thousand, three hundred forty-five".

Divisors: 1 3 5 15 31 93 155 465 773 2319 3865 4021 11595 12063 20105 23963 60315 71889 119815 124651 359445 373953 623255 1869765 3108233 9324699 15541165 46623495 96355223 289065669 481776115 1445328345