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144500397 = 31011074457
BaseRepresentation
bin10001001110011…
…10011010101101
3101001220101021120
420213032122231
5243443003042
622201051153
73403142646
oct1047163255
9331811246
10144500397
1174626318
1240486ab9
1323c248c2
14152966cd
15ca44dec
hex89ce6ad

144500397 has 16 divisors (see below), whose sum is σ = 196437312. Its totient is φ = 94467200.

The previous prime is 144500387. The next prime is 144500423. The reversal of 144500397 is 793005441.

It is a cyclic number.

It is not a de Polignac number, because 144500397 - 216 = 144434861 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144500387) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30193 + ... + 34649.

It is an arithmetic number, because the mean of its divisors is an integer number (12277332).

Almost surely, 2144500397 is an apocalyptic number.

It is an amenable number.

144500397 is a deficient number, since it is larger than the sum of its proper divisors (51936915).

144500397 is a wasteful number, since it uses less digits than its factorization.

144500397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4668.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 144500397 is about 12020.8317931830. The cubic root of 144500397 is about 524.7547117191.

The spelling of 144500397 in words is "one hundred forty-four million, five hundred thousand, three hundred ninety-seven".

Divisors: 1 3 101 107 303 321 4457 10807 13371 32421 450157 476899 1350471 1430697 48166799 144500397