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144800844 = 22316017537
BaseRepresentation
bin10001010000101…
…11110001001100
3101002110122102020
420220113301030
5244032111334
622211330140
73405533616
oct1050276114
9332418366
10144800844
1174811021
12405b0950
1323ccb596
1415333db6
15caa3e49
hex8a17c4c

144800844 has 24 divisors (see below), whose sum is σ = 338124528. Its totient is φ = 48230400.

The previous prime is 144800839. The next prime is 144800863. The reversal of 144800844 is 448008441.

It is a happy number.

It is a super-2 number, since 2×1448008442 = 41934568846224672, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15444 + ... + 22980.

It is an arithmetic number, because the mean of its divisors is an integer number (14088522).

Almost surely, 2144800844 is an apocalyptic number.

It is an amenable number.

144800844 is an abundant number, since it is smaller than the sum of its proper divisors (193323684).

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

144800844 is a wasteful number, since it uses less digits than its factorization.

144800844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9145 (or 9143 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 33.

The square root of 144800844 is about 12033.3222345286. The cubic root of 144800844 is about 525.1181520925.

The spelling of 144800844 in words is "one hundred forty-four million, eight hundred thousand, eight hundred forty-four".

Divisors: 1 2 3 4 6 12 1601 3202 4803 6404 7537 9606 15074 19212 22611 30148 45222 90444 12066737 24133474 36200211 48266948 72400422 144800844