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144163330 = 2531673691
BaseRepresentation
bin10001001011111…
…00001000000010
3101001021020220121
420211330020002
5243401211310
622145530454
73400240153
oct1045741002
9331236817
10144163330
1174416053
1240343a2a
1323b3735c
141520992a
15c9ca0da
hex897c202

144163330 has 32 divisors (see below), whose sum is σ = 268651008. Its totient is φ = 55641600.

The previous prime is 144163309. The next prime is 144163343. The reversal of 144163330 is 33361441.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 144163295 and 144163304.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 208285 + ... + 208975.

It is an arithmetic number, because the mean of its divisors is an integer number (8395344).

Almost surely, 2144163330 is an apocalyptic number.

144163330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144163330 is a deficient number, since it is larger than the sum of its proper divisors (124487678).

144163330 is a wasteful number, since it uses less digits than its factorization.

144163330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1402.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 144163330 is about 12006.8034880229. The cubic root of 144163330 is about 524.3463732672.

The spelling of 144163330 in words is "one hundred forty-four million, one hundred sixty-three thousand, three hundred thirty".

Divisors: 1 2 5 10 31 62 155 310 673 691 1346 1382 3365 3455 6730 6910 20863 21421 41726 42842 104315 107105 208630 214210 465043 930086 2325215 4650430 14416333 28832666 72081665 144163330