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144572173244 = 22253914235149
BaseRepresentation
bin1000011010100100101…
…1000100101110111100
3111211011111001100022222
42012221023010232330
54332040434020434
6150225431224512
713305430124312
oct2065113045674
9454144040288
10144572173244
115634924a614
1224028b18138
131082cbb8555
146dd69640b2
153b6231972e
hex21a92c4bbc

144572173244 has 12 divisors (see below), whose sum is σ = 253100967000. Its totient is φ = 72257611248.

The previous prime is 144572173241. The next prime is 144572173271. The reversal of 144572173244 is 442371275441.

It is a super-4 number, since 4×1445721732444 (a number of 46 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 144572173195 and 144572173204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144572173241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7107419 + ... + 7127730.

It is an arithmetic number, because the mean of its divisors is an integer number (21091747250).

Almost surely, 2144572173244 is an apocalyptic number.

It is an amenable number.

144572173244 is a deficient number, since it is larger than the sum of its proper divisors (108528793756).

144572173244 is a wasteful number, since it uses less digits than its factorization.

144572173244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14237692 (or 14237690 counting only the distinct ones).

The product of its digits is 752640, while the sum is 44.

The spelling of 144572173244 in words is "one hundred forty-four billion, five hundred seventy-two million, one hundred seventy-three thousand, two hundred forty-four".

Divisors: 1 2 4 2539 5078 10156 14235149 28470298 56940596 36143043311 72286086622 144572173244