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144411545 = 5149193841
BaseRepresentation
bin10001001101110…
…00101110011001
3101001201212101202
420212320232121
5243432132140
622155123545
73402322625
oct1046705631
9331655352
10144411545
1174575593
12404435b5
1323bc3325
1415272185
15ca28915
hex89b8b99

144411545 has 8 divisors (see below), whose sum is σ = 174457800. Its totient is φ = 114753280.

The previous prime is 144411541. The next prime is 144411551. The reversal of 144411545 is 545114441.

144411545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1106704 + 143304841 = 1052^2 + 11971^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 144411545 - 22 = 144411541 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144411541) 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, 96176 + ... + 97665.

It is an arithmetic number, because the mean of its divisors is an integer number (21807225).

Almost surely, 2144411545 is an apocalyptic number.

It is an amenable number.

144411545 is a deficient number, since it is larger than the sum of its proper divisors (30046255).

144411545 is a wasteful number, since it uses less digits than its factorization.

144411545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193995.

The product of its digits is 6400, while the sum is 29.

The square root of 144411545 is about 12017.1354739805. The cubic root of 144411545 is about 524.6471340091.

Adding to 144411545 its reverse (545114441), we get a palindrome (689525986).

The spelling of 144411545 in words is "one hundred forty-four million, four hundred eleven thousand, five hundred forty-five".

Divisors: 1 5 149 745 193841 969205 28882309 144411545