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144902222297 = 7128931605547
BaseRepresentation
bin1000011011110011011…
…0000111000111011001
3111212000111002120111222
42012330312013013121
54333224432103142
6150322301301425
713316545365410
oct2067466070731
9455014076458
10144902222297
11564a8588328
12240bb564875
13108833a7751
14702871a477
153b812b1bd2
hex21bcd871d9

144902222297 has 8 divisors (see below), whose sum is σ = 165615487296. Its totient is φ = 124192194192.

The previous prime is 144902222279. The next prime is 144902222401. The reversal of 144902222297 is 792222209441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 144902222297 - 220 = 144901173721 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144902222797) 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, 712523 + ... + 893024.

It is an arithmetic number, because the mean of its divisors is an integer number (20701935912).

Almost surely, 2144902222297 is an apocalyptic number.

It is an amenable number.

144902222297 is a deficient number, since it is larger than the sum of its proper divisors (20713264999).

144902222297 is a wasteful number, since it uses less digits than its factorization.

144902222297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1618447.

The product of its (nonzero) digits is 290304, while the sum is 44.

The spelling of 144902222297 in words is "one hundred forty-four billion, nine hundred two million, two hundred twenty-two thousand, two hundred ninety-seven".

Divisors: 1 7 12893 90251 1605547 11238829 20700317471 144902222297