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144141446 = 272070723
BaseRepresentation
bin10001001011101…
…10110010000110
3101001020010220002
420211312302012
5243400011241
622145241302
73400116311
oct1045666206
9331203802
10144141446
1174400669
1240333232
1323b2a3c7
1415201978
15c9c389b
hex8976c86

144141446 has 4 divisors (see below), whose sum is σ = 216212172. Its totient is φ = 72070722.

The previous prime is 144141421. The next prime is 144141449. The reversal of 144141446 is 644141441.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144141449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36035360 + ... + 36035363.

It is an arithmetic number, because the mean of its divisors is an integer number (54053043).

Almost surely, 2144141446 is an apocalyptic number.

144141446 is a deficient number, since it is larger than the sum of its proper divisors (72070726).

144141446 is an equidigital number, since it uses as much as digits as its factorization.

144141446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72070725.

The product of its digits is 6144, while the sum is 29.

The square root of 144141446 is about 12005.8921367802. The cubic root of 144141446 is about 524.3198399902.

Adding to 144141446 its reverse (644141441), we get a palindrome (788282887).

The spelling of 144141446 in words is "one hundred forty-four million, one hundred forty-one thousand, four hundred forty-six".

Divisors: 1 2 72070723 144141446