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144540577 is a prime number
BaseRepresentation
bin10001001110110…
…00001110100001
3101001222102101201
420213120032201
5244000244302
622202001201
73403401046
oct1047301641
9331872351
10144540577
1174653525
12404a6201
1323c39c8c
14152a71cd
15ca51c87
hex89d83a1

144540577 has 2 divisors, whose sum is σ = 144540578. Its totient is φ = 144540576.

The previous prime is 144540551. The next prime is 144540589. The reversal of 144540577 is 775045441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 137733696 + 6806881 = 11736^2 + 2609^2 .

It is a cyclic number.

It is not a de Polignac number, because 144540577 - 215 = 144507809 is a prime.

It is a super-3 number, since 3×1445405773 (a number of 25 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (144540527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72270288 + 72270289.

It is an arithmetic number, because the mean of its divisors is an integer number (72270289).

Almost surely, 2144540577 is an apocalyptic number.

It is an amenable number.

144540577 is a deficient number, since it is larger than the sum of its proper divisors (1).

144540577 is an equidigital number, since it uses as much as digits as its factorization.

144540577 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 78400, while the sum is 37.

The square root of 144540577 is about 12022.5029423993. The cubic root of 144540577 is about 524.8033452426.

It can be divided in two parts, 14 and 4540577, that added together give a triangular number (4540591 = T3013).

The spelling of 144540577 in words is "one hundred forty-four million, five hundred forty thousand, five hundred seventy-seven".