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144793124 = 2275171183
BaseRepresentation
bin10001010000101…
…01111000100100
3101002110020211022
420220111320210
5244031334444
622211230312
73405502250
oct1050257044
9332406738
10144793124
1174806243
12405a8398
1323cc7c08
1415331260
15caa19ee
hex8a15e24

144793124 has 12 divisors (see below), whose sum is σ = 289586304. Its totient is φ = 62054184.

The previous prime is 144793123. The next prime is 144793141. The reversal of 144793124 is 421397441.

It is a happy number.

144793124 is an admirable number.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (144793123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2585564 + ... + 2585619.

It is an arithmetic number, because the mean of its divisors is an integer number (24132192).

Almost surely, 2144793124 is an apocalyptic number.

144793124 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

144793124 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

144793124 is a wasteful number, since it uses less digits than its factorization.

144793124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5171194 (or 5171192 counting only the distinct ones).

The product of its digits is 24192, while the sum is 35.

The square root of 144793124 is about 12033.0014543338. The cubic root of 144793124 is about 525.1088197708.

Subtracting from 144793124 its sum of digits (35), we obtain a square (144793089 = 120332).

The spelling of 144793124 in words is "one hundred forty-four million, seven hundred ninety-three thousand, one hundred twenty-four".

Divisors: 1 2 4 7 14 28 5171183 10342366 20684732 36198281 72396562 144793124