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144102012 = 22331387371
BaseRepresentation
bin10001001011011…
…01001001111100
3101001011010210120
420211231021330
5243342231022
622144334540
73366563325
oct1045551174
9331133716
10144102012
1174383a7a
1240314450
1323b15482
14151d144c
15c9b6d5c
hex896d27c

144102012 has 24 divisors (see below), whose sum is σ = 347085312. Its totient is φ = 46484400.

The previous prime is 144101999. The next prime is 144102019. The reversal of 144102012 is 210201441.

144102012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 144101982 and 144102000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144102019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193314 + ... + 194057.

It is an arithmetic number, because the mean of its divisors is an integer number (14461888).

Almost surely, 2144102012 is an apocalyptic number.

144102012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

144102012 is an abundant number, since it is smaller than the sum of its proper divisors (202983300).

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

144102012 is a wasteful number, since it uses less digits than its factorization.

144102012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387409 (or 387407 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 144102012 is about 12004.2497474853. The cubic root of 144102012 is about 524.2720214181.

Adding to 144102012 its reverse (210201441), we get a palindrome (354303453).

The spelling of 144102012 in words is "one hundred forty-four million, one hundred two thousand, twelve".

Divisors: 1 2 3 4 6 12 31 62 93 124 186 372 387371 774742 1162113 1549484 2324226 4648452 12008501 24017002 36025503 48034004 72051006 144102012