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45144230 = 254514423
BaseRepresentation
bin1010110000110…
…1100010100110
310010221120020112
42230031202212
543024103410
64251333022
71055501555
oct254154246
9103846215
1045144230
112353458a
1213151172
139478181
145dd1d9c
153e6b105
hex2b0d8a6

45144230 has 8 divisors (see below), whose sum is σ = 81259632. Its totient is φ = 18057688.

The previous prime is 45144217. The next prime is 45144241. The reversal of 45144230 is 3244154.

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

It is a junction number, because it is equal to n+sod(n) for n = 45144196 and 45144205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2257202 + ... + 2257221.

It is an arithmetic number, because the mean of its divisors is an integer number (10157454).

Almost surely, 245144230 is an apocalyptic number.

45144230 is a deficient number, since it is larger than the sum of its proper divisors (36115402).

45144230 is a wasteful number, since it uses less digits than its factorization.

45144230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4514430.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 45144230 is about 6718.9456018039. The cubic root of 45144230 is about 356.0689331229.

Adding to 45144230 its reverse (3244154), we get a palindrome (48388384).

The spelling of 45144230 in words is "forty-five million, one hundred forty-four thousand, two hundred thirty".

Divisors: 1 2 5 10 4514423 9028846 22572115 45144230