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144213145 = 567430487
BaseRepresentation
bin10001001100010…
…00010010011001
3101001100210020121
420212020102121
5243404310040
622150553241
73400535326
oct1046102231
9331323217
10144213145
117444a51a
1240368821
1323b53c2b
141521db4d
15c9d9c4a
hex8988499

144213145 has 8 divisors (see below), whose sum is σ = 175639104. Its totient is φ = 113648304.

The previous prime is 144213137. The next prime is 144213191. The reversal of 144213145 is 541312441.

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 144213145 - 23 = 144213137 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214909 + ... + 215578.

It is an arithmetic number, because the mean of its divisors is an integer number (21954888).

Almost surely, 2144213145 is an apocalyptic number.

It is an amenable number.

144213145 is a deficient number, since it is larger than the sum of its proper divisors (31425959).

144213145 is an equidigital number, since it uses as much as digits as its factorization.

144213145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430559.

The product of its digits is 1920, while the sum is 25.

The square root of 144213145 is about 12008.8777577257. The cubic root of 144213145 is about 524.4067615008.

Adding to 144213145 its reverse (541312441), we get a palindrome (685525586).

The spelling of 144213145 in words is "one hundred forty-four million, two hundred thirteen thousand, one hundred forty-five".

Divisors: 1 5 67 335 430487 2152435 28842629 144213145