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144012312 = 23324214751
BaseRepresentation
bin10001001010101…
…11010000011000
3101000222120202100
420211113100120
5243331343222
622142403400
73366040653
oct1045272030
9330876670
10144012312
1174322644
1240290560
1323ab36b2
14151aa89a
15c99a4ac
hex8957418

144012312 has 48 divisors (see below), whose sum is σ = 391042080. Its totient is φ = 47880000.

The previous prime is 144012301. The next prime is 144012331. The reversal of 144012312 is 213210441.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

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, 27937 + ... + 32687.

It is an arithmetic number, because the mean of its divisors is an integer number (8146710).

Almost surely, 2144012312 is an apocalyptic number.

144012312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

144012312 is an abundant number, since it is smaller than the sum of its proper divisors (247029768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144012312 is a wasteful number, since it uses less digits than its factorization.

144012312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5184 (or 5177 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 144012312 is about 12000.5129890351. The cubic root of 144012312 is about 524.1632166420.

Adding to 144012312 its reverse (213210441), we get a palindrome (357222753).

The spelling of 144012312 in words is "one hundred forty-four million, twelve thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 421 842 1263 1684 2526 3368 3789 4751 5052 7578 9502 10104 14253 15156 19004 28506 30312 38008 42759 57012 85518 114024 171036 342072 2000171 4000342 6000513 8000684 12001026 16001368 18001539 24002052 36003078 48004104 72006156 144012312