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144045397 = 1037871777
BaseRepresentation
bin10001001010111…
…11010101010101
3101001001021010201
420211133111111
5243333423042
622143220501
73366236266
oct1045372525
9331037121
10144045397
1174345491
12402a7731
1323ac5782
14151b896d
15c9a51b7
hex895f555

144045397 has 8 divisors (see below), whose sum is σ = 145710656. Its totient is φ = 142385472.

The previous prime is 144045379. The next prime is 144045413. The reversal of 144045397 is 793540441.

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 144045397 - 211 = 144043349 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 (144045367) 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, 80173 + ... + 81949.

It is an arithmetic number, because the mean of its divisors is an integer number (18213832).

Almost surely, 2144045397 is an apocalyptic number.

It is an amenable number.

144045397 is a deficient number, since it is larger than the sum of its proper divisors (1665259).

144045397 is a wasteful number, since it uses less digits than its factorization.

144045397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2667.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 144045397 is about 12001.8913926097. The cubic root of 144045397 is about 524.2033535162.

The spelling of 144045397 in words is "one hundred forty-four million, forty-five thousand, three hundred ninety-seven".

Divisors: 1 103 787 1777 81061 183031 1398499 144045397