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144143207 = 1332993361
BaseRepresentation
bin10001001011101…
…11001101100111
3101001020020022022
420211313031213
5243400040312
622145253355
73400124405
oct1045671547
9331206268
10144143207
1174401a1a
124033425b
1323b2b150
1415202475
15c9c4172
hex8977367

144143207 has 8 divisors (see below), whose sum is σ = 155324400. Its totient is φ = 132975360.

The previous prime is 144143179. The next prime is 144143227. The reversal of 144143207 is 702341441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 144143207 - 26 = 144143143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144143227) 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, 41207 + ... + 44567.

It is an arithmetic number, because the mean of its divisors is an integer number (19415550).

Almost surely, 2144143207 is an apocalyptic number.

144143207 is a deficient number, since it is larger than the sum of its proper divisors (11181193).

144143207 is a wasteful number, since it uses less digits than its factorization.

144143207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6673.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 144143207 is about 12005.9654755459. The cubic root of 144143207 is about 524.3219752157.

Adding to 144143207 its reverse (702341441), we get a palindrome (846484648).

The spelling of 144143207 in words is "one hundred forty-four million, one hundred forty-three thousand, two hundred seven".

Divisors: 1 13 3299 3361 42887 43693 11087939 144143207