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1145302102 = 2719311927
BaseRepresentation
bin100010001000011…
…1110110001010110
32221211002101010101
41010100332301112
54321144131402
6305351444314
740244623120
oct10420766126
92854071111
101145302102
1153854746a
1227b68669a
13153382969
14ac172210
156a833b87
hex4443ec56

1145302102 has 32 divisors (see below), whose sum is σ = 2072609280. Its totient is φ = 464970888.

The previous prime is 1145302091. The next prime is 1145302111. The reversal of 1145302102 is 2012035411.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 1145302102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90063 + ... + 101989.

It is an arithmetic number, because the mean of its divisors is an integer number (64769040).

Almost surely, 21145302102 is an apocalyptic number.

1145302102 is a deficient number, since it is larger than the sum of its proper divisors (927307178).

1145302102 is an equidigital number, since it uses as much as digits as its factorization.

1145302102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11993 (or 11955 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 1145302102 is about 33842.3123027963. The cubic root of 1145302102 is about 1046.2609571833.

Adding to 1145302102 its reverse (2012035411), we get a palindrome (3157337513).

The spelling of 1145302102 in words is "one billion, one hundred forty-five million, three hundred two thousand, one hundred two".

Divisors: 1 2 7 14 19 38 133 266 361 722 2527 5054 6859 11927 13718 23854 48013 83489 96026 166978 226613 453226 1586291 3172582 4305647 8611294 30139529 60279058 81807293 163614586 572651051 1145302102