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144466994 = 2721977587
BaseRepresentation
bin10001001110001…
…10010000110010
3101001211200110102
420213012100302
5243440420434
622200232402
73402643400
oct1047062062
9331750412
10144466994
1174603211
124046b702
1323c12639
1415288470
15ca3a07e
hex89c6432

144466994 has 24 divisors (see below), whose sum is σ = 265350960. Its totient is φ = 58655016.

The previous prime is 144466967. The next prime is 144466999. The reversal of 144466994 is 499664441.

It is not an unprimeable number, because it can be changed into a prime (144466999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36932 + ... + 40655.

It is an arithmetic number, because the mean of its divisors is an integer number (11056290).

Almost surely, 2144466994 is an apocalyptic number.

144466994 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

144466994 is a deficient number, since it is larger than the sum of its proper divisors (120883966).

144466994 is a wasteful number, since it uses less digits than its factorization.

144466994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77622 (or 77615 counting only the distinct ones).

The product of its digits is 746496, while the sum is 47.

The square root of 144466994 is about 12019.4423331534. The cubic root of 144466994 is about 524.7142741545.

The spelling of 144466994 in words is "one hundred forty-four million, four hundred sixty-six thousand, nine hundred ninety-four".

Divisors: 1 2 7 14 19 38 49 98 133 266 931 1862 77587 155174 543109 1086218 1474153 2948306 3801763 7603526 10319071 20638142 72233497 144466994