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144315407 is a prime number
BaseRepresentation
bin10001001101000…
…01010000001111
3101001112222112002
420212201100033
5243421043112
622153102515
73401442425
oct1046412017
9331488462
10144315407
117450a335
12403b7a3b
1323b8b642
1415249115
15ca0a1c2
hex89a140f

144315407 has 2 divisors, whose sum is σ = 144315408. Its totient is φ = 144315406.

The previous prime is 144315377. The next prime is 144315419. The reversal of 144315407 is 704513441.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (704513441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 144315407 - 218 = 144053263 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 144315407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143315407) by changing a digit.

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 as a sum of consecutive naturals, namely, 72157703 + 72157704.

It is an arithmetic number, because the mean of its divisors is an integer number (72157704).

Almost surely, 2144315407 is an apocalyptic number.

144315407 is a deficient number, since it is larger than the sum of its proper divisors (1).

144315407 is an equidigital number, since it uses as much as digits as its factorization.

144315407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 144315407 is about 12013.1347699091. The cubic root of 144315407 is about 524.5306850483.

Adding to 144315407 its reverse (704513441), we get a palindrome (848828848).

The spelling of 144315407 in words is "one hundred forty-four million, three hundred fifteen thousand, four hundred seven".