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1145242160 = 24514315527
BaseRepresentation
bin100010001000011…
…0000001000110000
32221210222022220022
41010100300020300
54321140222120
6305350303012
740244253266
oct10420601060
92853868808
101145242160
11538506427
1227b657a68
131533615aa
14ac158436
156a821025
hex44430230

1145242160 has 20 divisors (see below), whose sum is σ = 2662688208. Its totient is φ = 458096832.

The previous prime is 1145242129. The next prime is 1145242169. The reversal of 1145242160 is 612425411.

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (1145242169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7157684 + ... + 7157843.

Almost surely, 21145242160 is an apocalyptic number.

1145242160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1145242160 is an abundant number, since it is smaller than the sum of its proper divisors (1517446048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1145242160 is a wasteful number, since it uses less digits than its factorization.

1145242160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14315540 (or 14315534 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 1145242160 is about 33841.4266838737. The cubic root of 1145242160 is about 1046.2427040463.

Adding to 1145242160 its reverse (612425411), we get a palindrome (1757667571).

The spelling of 1145242160 in words is "one billion, one hundred forty-five million, two hundred forty-two thousand, one hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 40 80 14315527 28631054 57262108 71577635 114524216 143155270 229048432 286310540 572621080 1145242160