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144072856 = 2318009107
BaseRepresentation
bin10001001011001…
…10000010011000
3101001002122210201
420211212002120
5243340312411
622143551544
73366412324
oct1045460230
9331078721
10144072856
1174364084
12402bb5b4
1323b05115
14151c4984
15c9ad3c1
hex8966098

144072856 has 8 divisors (see below), whose sum is σ = 270136620. Its totient is φ = 72036424.

The previous prime is 144072829. The next prime is 144072871. The reversal of 144072856 is 658270441.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9004546 + ... + 9004561.

Almost surely, 2144072856 is an apocalyptic number.

It is an amenable number.

144072856 is a deficient number, since it is larger than the sum of its proper divisors (126063764).

144072856 is a wasteful number, since it uses less digits than its factorization.

144072856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18009113 (or 18009109 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 144072856 is about 12003.0352827941. The cubic root of 144072856 is about 524.2366605746.

The spelling of 144072856 in words is "one hundred forty-four million, seventy-two thousand, eight hundred fifty-six".

Divisors: 1 2 4 8 18009107 36018214 72036428 144072856