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144265684 = 2236066421
BaseRepresentation
bin10001001100101…
…01000111010100
3101001110110022111
420212111013110
5243413000214
622152040404
73401144443
oct1046250724
9331413274
10144265684
1174485a42
1240393104
1323b71b14
1415234d5a
15c9ea5c4
hex89951d4

144265684 has 6 divisors (see below), whose sum is σ = 252464954. Its totient is φ = 72132840.

The previous prime is 144265663. The next prime is 144265687. The reversal of 144265684 is 486562441.

It can be written as a sum of positive squares in only one way, i.e., 142134084 + 2131600 = 11922^2 + 1460^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144265687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18033207 + ... + 18033214.

Almost surely, 2144265684 is an apocalyptic number.

It is an amenable number.

144265684 is a deficient number, since it is larger than the sum of its proper divisors (108199270).

144265684 is a wasteful number, since it uses less digits than its factorization.

144265684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36066425 (or 36066423 counting only the distinct ones).

The product of its digits is 184320, while the sum is 40.

The square root of 144265684 is about 12011.0650651805. The cubic root of 144265684 is about 524.4704368375.

The spelling of 144265684 in words is "one hundred forty-four million, two hundred sixty-five thousand, six hundred eighty-four".

Divisors: 1 2 4 36066421 72132842 144265684