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130144543 = 2573491451
BaseRepresentation
bin1111100000111…
…01100100011111
3100001220000202021
413300131210133
5231304111133
620525241011
73140132104
oct760354437
9301800667
10130144543
1167510581
1237703167
1320c69509
14133daaab
15b65b52d
hex7c1d91f

130144543 has 8 divisors (see below), whose sum is σ = 131115600. Its totient is φ = 129177600.

The previous prime is 130144529. The next prime is 130144559. The reversal of 130144543 is 345441031.

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

It is a cyclic number.

It is not a de Polignac number, because 130144543 - 213 = 130136351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130144043) 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, 88968 + ... + 90418.

It is an arithmetic number, because the mean of its divisors is an integer number (16389450).

Almost surely, 2130144543 is an apocalyptic number.

130144543 is a deficient number, since it is larger than the sum of its proper divisors (971057).

130144543 is a wasteful number, since it uses less digits than its factorization.

130144543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2057.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 130144543 is about 11408.0911199026. The cubic root of 130144543 is about 506.7673824963.

Adding to 130144543 its reverse (345441031), we get a palindrome (475585574).

The spelling of 130144543 in words is "one hundred thirty million, one hundred forty-four thousand, five hundred forty-three".

Divisors: 1 257 349 1451 89693 372907 506399 130144543