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1145160534 = 23780933703
BaseRepresentation
bin100010001000001…
…1100001101010110
32221210211011221010
41010100130031112
54321130114114
6305344433050
740243463310
oct10420341526
92853734833
101145160534
11538460071
1227b618786
131533333ab
14ac1367b0
156a806c59
hex4441c356

1145160534 has 32 divisors (see below), whose sum is σ = 2620823040. Its totient is φ = 326774592.

The previous prime is 1145160521. The next prime is 1145160539. The reversal of 1145160534 is 4350615411.

It is a happy number.

It is a super-2 number, since 2×11451605342 = 2622785297262330312, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145160539) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17127 + ... + 50829.

It is an arithmetic number, because the mean of its divisors is an integer number (81900720).

Almost surely, 21145160534 is an apocalyptic number.

1145160534 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1145160534 is an abundant number, since it is smaller than the sum of its proper divisors (1475662506).

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

1145160534 is a wasteful number, since it uses less digits than its factorization.

1145160534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34524.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 1145160534 is about 33840.2206553090. The cubic root of 1145160534 is about 1046.2178468185.

Adding to 1145160534 its reverse (4350615411), we get a palindrome (5495775945).

The spelling of 1145160534 in words is "one billion, one hundred forty-five million, one hundred sixty thousand, five hundred thirty-four".

Divisors: 1 2 3 6 7 14 21 42 809 1618 2427 4854 5663 11326 16989 33703 33978 67406 101109 202218 235921 471842 707763 1415526 27265727 54531454 81797181 163594362 190860089 381720178 572580267 1145160534