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144145514 = 21916632281
BaseRepresentation
bin10001001011101…
…11110001101010
3101001020100110202
420211313301222
5243400124024
622145312202
73400134212
oct1045676152
9331210422
10144145514
1174403727
1240335662
1323b2c206
1415203242
15c9c4bae
hex8977c6a

144145514 has 16 divisors (see below), whose sum is σ = 227834880. Its totient is φ = 68208480.

The previous prime is 144145487. The next prime is 144145523. The reversal of 144145514 is 415541441.

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, 62054 + ... + 64334.

It is an arithmetic number, because the mean of its divisors is an integer number (14239680).

Almost surely, 2144145514 is an apocalyptic number.

144145514 is a deficient number, since it is larger than the sum of its proper divisors (83689366).

144145514 is a wasteful number, since it uses less digits than its factorization.

144145514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3965.

The product of its digits is 6400, while the sum is 29.

The square root of 144145514 is about 12006.0615523993. The cubic root of 144145514 is about 524.3247724439.

Adding to 144145514 its reverse (415541441), we get a palindrome (559686955).

The spelling of 144145514 in words is "one hundred forty-four million, one hundred forty-five thousand, five hundred fourteen".

Divisors: 1 2 19 38 1663 2281 3326 4562 31597 43339 63194 86678 3793303 7586606 72072757 144145514