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144164656 = 249010291
BaseRepresentation
bin10001001011111…
…00011100110000
3101001021022201201
420211330130300
5243401232111
622145540544
73400244056
oct1045743460
9331238651
10144164656
1174417049
1240344754
1323b37b3c
141520a1d6
15c9ca6c1
hex897c730

144164656 has 10 divisors (see below), whose sum is σ = 279319052. Its totient is φ = 72082320.

The previous prime is 144164639. The next prime is 144164659. The reversal of 144164656 is 656461441.

It is not an unprimeable number, because it can be changed into a prime (144164659) 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, 4505130 + ... + 4505161.

Almost surely, 2144164656 is an apocalyptic number.

144164656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

144164656 is a deficient number, since it is larger than the sum of its proper divisors (135154396).

144164656 is an equidigital number, since it uses as much as digits as its factorization.

144164656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9010299 (or 9010293 counting only the distinct ones).

The product of its digits is 69120, while the sum is 37.

The square root of 144164656 is about 12006.8587065893. The cubic root of 144164656 is about 524.3479808909.

The spelling of 144164656 in words is "one hundred forty-four million, one hundred sixty-four thousand, six hundred fifty-six".

Divisors: 1 2 4 8 16 9010291 18020582 36041164 72082328 144164656