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144508245 = 35717731109
BaseRepresentation
bin10001001110100…
…00010101010101
3101001220210001020
420213100111111
5243443230440
622201151353
73403204560
oct1047202525
9331823036
10144508245
1174631202
124048b559
1323c2834b
14152994d7
15ca473d0
hex89d0555

144508245 has 64 divisors (see below), whose sum is σ = 283875840. Its totient is φ = 61267968.

The previous prime is 144508201. The next prime is 144508249. The reversal of 144508245 is 542805441.

It is a happy number.

It is not a de Polignac number, because 144508245 - 28 = 144507989 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144508249) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 129751 + ... + 130859.

It is an arithmetic number, because the mean of its divisors is an integer number (4435560).

Almost surely, 2144508245 is an apocalyptic number.

144508245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

144508245 is a deficient number, since it is larger than the sum of its proper divisors (139367595).

144508245 is a wasteful number, since it uses less digits than its factorization.

144508245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1214.

The product of its (nonzero) digits is 25600, while the sum is 33.

The square root of 144508245 is about 12021.1582220683. The cubic root of 144508245 is about 524.7642115787.

The spelling of 144508245 in words is "one hundred forty-four million, five hundred eight thousand, two hundred forty-five".

Divisors: 1 3 5 7 15 17 21 35 51 73 85 105 119 219 255 357 365 511 595 1095 1109 1241 1533 1785 2555 3327 3723 5545 6205 7665 7763 8687 16635 18615 18853 23289 26061 38815 43435 56559 80957 94265 116445 130305 131971 242871 282795 395913 404785 566699 659855 1214355 1376269 1700097 1979565 2833495 4128807 6881345 8500485 9633883 20644035 28901649 48169415 144508245