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144336130 = 2585316921
BaseRepresentation
bin10001001101001…
…10010100000010
3101001121000221121
420212212110002
5243422224010
622153342454
73401560021
oct1046462402
9331530847
10144336130
1174523964
1240407a2a
1323b97bc3
14152528b8
15ca113da
hex89a6502

144336130 has 16 divisors (see below), whose sum is σ = 260124984. Its totient is φ = 57663360.

The previous prime is 144336121. The next prime is 144336131. The reversal of 144336130 is 31633441.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 95238081 + 49098049 = 9759^2 + 7007^2 .

It is a junction number, because it is equal to n+sod(n) for n = 144336095 and 144336104.

It is not an unprimeable number, because it can be changed into a prime (144336131) 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, 70 + ... + 16990.

Almost surely, 2144336130 is an apocalyptic number.

144336130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144336130 is a deficient number, since it is larger than the sum of its proper divisors (115788854).

144336130 is a wasteful number, since it uses less digits than its factorization.

144336130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17781.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 144336130 is about 12013.9972532043. The cubic root of 144336130 is about 524.5557905432. Note that the first 3 decimals are identical.

Adding to 144336130 its reverse (31633441), we get a palindrome (175969571).

It can be divided in two parts, 1443 and 36130, that added together give a palindrome (37573).

The spelling of 144336130 in words is "one hundred forty-four million, three hundred thirty-six thousand, one hundred thirty".

Divisors: 1 2 5 10 853 1706 4265 8530 16921 33842 84605 169210 14433613 28867226 72168065 144336130