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1445202145 = 55317930467
BaseRepresentation
bin101011000100100…
…0000100011100001
310201201101212122101
41112021000203201
510424432432040
6355223410401
750546005222
oct12611004341
93651355571
101445202145
11681862842
12343bb3a01
131a05470ca
14d9d1b249
1586d2309a
hex562408e1

1445202145 has 16 divisors (see below), whose sum is σ = 1776893760. Its totient is φ = 1127973184.

The previous prime is 1445202133. The next prime is 1445202229. The reversal of 1445202145 is 5412025441.

1445202145 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 1445202145 - 29 = 1445201633 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32202 + ... + 62668.

It is an arithmetic number, because the mean of its divisors is an integer number (111055860).

Almost surely, 21445202145 is an apocalyptic number.

It is an amenable number.

1445202145 is a deficient number, since it is larger than the sum of its proper divisors (331691615).

1445202145 is a wasteful number, since it uses less digits than its factorization.

1445202145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30704.

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 1445202145 is about 38015.8144066387. The cubic root of 1445202145 is about 1130.6014353868.

Adding to 1445202145 its reverse (5412025441), we get a palindrome (6857227586).

The spelling of 1445202145 in words is "one billion, four hundred forty-five million, two hundred two thousand, one hundred forty-five".

Divisors: 1 5 53 179 265 895 9487 30467 47435 152335 1614751 5453593 8073755 27267965 289040429 1445202145