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1444343345 = 51559185291
BaseRepresentation
bin101011000010110…
…1110111000110001
310201122210020120222
41112011232320301
510424222441340
6355153142425
750535500354
oct12605567061
93648706528
101444343345
11681326595
1234385aa15
131a0306243
14d9b7629b
1586c038b5
hex5616ee31

1444343345 has 8 divisors (see below), whose sum is σ = 1734333120. Its totient is φ = 1154727280.

The previous prime is 1444343339. The next prime is 1444343363. The reversal of 1444343345 is 5433434441.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1444343345 - 212 = 1444339249 is a prime.

It is a super-2 number, since 2×14443433452 = 4172255396491578050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84851 + ... + 100440.

It is an arithmetic number, because the mean of its divisors is an integer number (216791640).

Almost surely, 21444343345 is an apocalyptic number.

It is an amenable number.

1444343345 is a deficient number, since it is larger than the sum of its proper divisors (289989775).

1444343345 is a wasteful number, since it uses less digits than its factorization.

1444343345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186855.

The product of its digits is 138240, while the sum is 35.

The square root of 1444343345 is about 38004.5174288531. The cubic root of 1444343345 is about 1130.3774406771.

Adding to 1444343345 its reverse (5433434441), we get a palindrome (6877777786).

The spelling of 1444343345 in words is "one billion, four hundred forty-four million, three hundred forty-three thousand, three hundred forty-five".

Divisors: 1 5 1559 7795 185291 926455 288868669 1444343345