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144851968 = 2101753157
BaseRepresentation
bin10001010001001…
…00010000000000
3101002120020112201
420220210100000
5244040230333
622212402544
73406135642
oct1050442000
9332506481
10144851968
1174846478
1240616454
1324018931
1415348892
15cab417d
hex8a24400

144851968 has 88 divisors (see below), whose sum is σ = 314370072. Its totient is φ = 66453504.

The previous prime is 144851963. The next prime is 144851969. The reversal of 144851968 is 869158441.

It can be written as a sum of positive squares in 4 ways, for example, as 39337984 + 105513984 = 6272^2 + 10272^2 .

It is not an unprimeable number, because it can be changed into a prime (144851963) 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, 922546 + ... + 922702.

Almost surely, 2144851968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144851968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157185036).

144851968 is an abundant number, since it is smaller than the sum of its proper divisors (169518104).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144851968 is a wasteful number, since it uses less digits than its factorization.

144851968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247 (or 229 counting only the distinct ones).

The product of its digits is 276480, while the sum is 46.

The square root of 144851968 is about 12035.4463149482. The cubic root of 144851968 is about 525.1799449679.

The spelling of 144851968 in words is "one hundred forty-four million, eight hundred fifty-one thousand, nine hundred sixty-eight".

Divisors: 1 2 4 8 16 17 32 34 53 64 68 106 128 136 157 212 256 272 314 424 512 544 628 848 901 1024 1088 1256 1696 1802 2176 2512 2669 3392 3604 4352 5024 5338 6784 7208 8321 8704 10048 10676 13568 14416 16642 17408 20096 21352 27136 28832 33284 40192 42704 54272 57664 66568 80384 85408 115328 133136 141457 160768 170816 230656 266272 282914 341632 461312 532544 565828 683264 922624 1065088 1131656 1366528 2130176 2263312 2733056 4260352 4526624 8520704 9053248 18106496 36212992 72425984 144851968