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45144833 = 59975367
BaseRepresentation
bin1010110000110…
…1101100000001
310010221121001212
42230031230001
543024113313
64251335505
71055503406
oct254155401
9103847055
1045144833
1123534a88
1213151595
139478526
145dd22ad
153e6b3a8
hex2b0db01

45144833 has 4 divisors (see below), whose sum is σ = 45220800. Its totient is φ = 45068868.

The previous prime is 45144829. The next prime is 45144871. The reversal of 45144833 is 33844154.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 33844154 = 216922077.

It is a cyclic number.

It is not a de Polignac number, because 45144833 - 22 = 45144829 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45144833.

It is not an unprimeable number, because it can be changed into a prime (45144433) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 37085 + ... + 38282.

It is an arithmetic number, because the mean of its divisors is an integer number (11305200).

Almost surely, 245144833 is an apocalyptic number.

It is an amenable number.

45144833 is a deficient number, since it is larger than the sum of its proper divisors (75967).

45144833 is an equidigital number, since it uses as much as digits as its factorization.

45144833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75966.

The product of its digits is 23040, while the sum is 32.

The square root of 45144833 is about 6718.9904747663. The cubic root of 45144833 is about 356.0705184758.

Adding to 45144833 its reverse (33844154), we get a palindrome (78988987).

The spelling of 45144833 in words is "forty-five million, one hundred forty-four thousand, eight hundred thirty-three".

Divisors: 1 599 75367 45144833