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144321001 = 11113116107
BaseRepresentation
bin10001001101000…
…10100111101001
3101001120021012021
420212202213221
5243421233001
622153144441
73401464636
oct1046424751
9331507167
10144321001
1174513560
12403bb121
1323b91056
141524b18d
15ca0bba1
hex89a29e9

144321001 has 8 divisors (see below), whose sum is σ = 158835744. Its totient is φ = 130038720.

The previous prime is 144320999. The next prime is 144321019. The reversal of 144321001 is 100123441.

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

It is a cyclic number.

It is not a de Polignac number, because 144321001 - 21 = 144320999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144321031) 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 in 7 ways as a sum of consecutive naturals, for example, 56811 + ... + 59296.

It is an arithmetic number, because the mean of its divisors is an integer number (19854468).

Almost surely, 2144321001 is an apocalyptic number.

144321001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

144321001 is a deficient number, since it is larger than the sum of its proper divisors (14514743).

144321001 is a wasteful number, since it uses less digits than its factorization.

144321001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116231.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 144321001 is about 12013.3675961406. The cubic root of 144321001 is about 524.5374623029.

Adding to 144321001 its reverse (100123441), we get a palindrome (244444442).

The spelling of 144321001 in words is "one hundred forty-four million, three hundred twenty-one thousand, one".

Divisors: 1 11 113 1243 116107 1277177 13120091 144321001