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144124351 = 7173313659
BaseRepresentation
bin10001001011100…
…10100110111111
3101001012021102221
420211302212333
5243343434401
622145030211
73400015420
oct1045624677
9331167387
10144124351
1174399838
1240325367
1323b226a7
14151d9647
15c9bd7a1
hex89729bf

144124351 has 16 divisors (see below), whose sum is σ = 174977280. Its totient is φ = 115885440.

The previous prime is 144124339. The next prime is 144124423. The reversal of 144124351 is 153421441.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-144124351 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 (144124951) 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, 37560 + ... + 41218.

It is an arithmetic number, because the mean of its divisors is an integer number (10936080).

Almost surely, 2144124351 is an apocalyptic number.

144124351 is a deficient number, since it is larger than the sum of its proper divisors (30852929).

144124351 is a wasteful number, since it uses less digits than its factorization.

144124351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4014.

The product of its digits is 1920, while the sum is 25.

The square root of 144124351 is about 12005.1801735751. The cubic root of 144124351 is about 524.2991112725.

Adding to 144124351 its reverse (153421441), we get a palindrome (297545792).

The spelling of 144124351 in words is "one hundred forty-four million, one hundred twenty-four thousand, three hundred fifty-one".

Divisors: 1 7 17 119 331 2317 3659 5627 25613 39389 62203 435421 1211129 8477903 20589193 144124351