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144022345 = 530839343
BaseRepresentation
bin10001001010110…
…01101101001001
3101001000002111221
420211121231021
5243332203340
622142522041
73366112135
oct1045315511
9331002457
10144022345
117432a135
1240296321
1323ab812c
14151b03c5
15c99d44a
hex8959b49

144022345 has 8 divisors (see below), whose sum is σ = 172901376. Its totient is φ = 115168176.

The previous prime is 144022313. The next prime is 144022349. The reversal of 144022345 is 543220441.

It is a happy number.

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 144022345 - 25 = 144022313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144022349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10744 + ... + 20086.

It is an arithmetic number, because the mean of its divisors is an integer number (21612672).

Almost surely, 2144022345 is an apocalyptic number.

It is an amenable number.

144022345 is a deficient number, since it is larger than the sum of its proper divisors (28879031).

144022345 is an equidigital number, since it uses as much as digits as its factorization.

144022345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12431.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 144022345 is about 12000.9310055512. The cubic root of 144022345 is about 524.1753887666.

Adding to 144022345 its reverse (543220441), we get a palindrome (687242786).

The spelling of 144022345 in words is "one hundred forty-four million, twenty-two thousand, three hundred forty-five".

Divisors: 1 5 3083 9343 15415 46715 28804469 144022345