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144616972 = 2257762659
BaseRepresentation
bin10001001111010…
…10111000001100
3101002010022012011
420213222320030
5244010220342
622203351004
73404136553
oct1047527014
9332108164
10144616972
11746a5965
1240522464
1323c65996
14152c6d9a
15ca69717
hex89eae0c

144616972 has 12 divisors (see below), whose sum is σ = 253522360. Its totient is φ = 72182016.

The previous prime is 144616957. The next prime is 144616973. The reversal of 144616972 is 279616441.

It is not an unprimeable number, because it can be changed into a prime (144616973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29022 + ... + 33637.

Almost surely, 2144616972 is an apocalyptic number.

It is an amenable number.

144616972 is a deficient number, since it is larger than the sum of its proper divisors (108905388).

144616972 is a wasteful number, since it uses less digits than its factorization.

144616972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63240 (or 63238 counting only the distinct ones).

The product of its digits is 72576, while the sum is 40.

The square root of 144616972 is about 12025.6796897306. The cubic root of 144616972 is about 524.8957882346.

The spelling of 144616972 in words is "one hundred forty-four million, six hundred sixteen thousand, nine hundred seventy-two".

Divisors: 1 2 4 577 1154 2308 62659 125318 250636 36154243 72308486 144616972