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144213303 = 3133697777
BaseRepresentation
bin10001001100010…
…00010100110111
3101001100210110110
420212020110313
5243404311203
622150554103
73400535643
oct1046102467
9331323413
10144213303
117444a653
1240368933
1323b54020
141521dc23
15c9d9d03
hex8988537

144213303 has 8 divisors (see below), whose sum is σ = 207075568. Its totient is φ = 88746624.

The previous prime is 144213301. The next prime is 144213313. The reversal of 144213303 is 303312441.

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

It is not a de Polignac number, because 144213303 - 21 = 144213301 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 144213303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144213301) 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, 1848850 + ... + 1848927.

It is an arithmetic number, because the mean of its divisors is an integer number (25884446).

Almost surely, 2144213303 is an apocalyptic number.

144213303 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

144213303 is a deficient number, since it is larger than the sum of its proper divisors (62862265).

144213303 is a wasteful number, since it uses less digits than its factorization.

144213303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3697793.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 144213303 is about 12008.8843361904. The cubic root of 144213303 is about 524.4069530142.

Adding to 144213303 its reverse (303312441), we get a palindrome (447525744).

The spelling of 144213303 in words is "one hundred forty-four million, two hundred thirteen thousand, three hundred three".

Divisors: 1 3 13 39 3697777 11093331 48071101 144213303