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1145451233 = 19213728211
BaseRepresentation
bin100010001000110…
…0011001011100001
32221211100221200202
41010101203023201
54321213414413
6305354554545
740246113653
oct10421431341
92854327622
101145451233
11538639513
1227b738a55
131534057c4
14ac1b06d3
156a862e58
hex444632e1

1145451233 has 8 divisors (see below), whose sum is σ = 1206345120. Its totient is φ = 1084618080.

The previous prime is 1145451191. The next prime is 1145451239. The reversal of 1145451233 is 3321545411.

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 1145451233 - 26 = 1145451169 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1145451196 and 1145451205.

It is not an unprimeable number, because it can be changed into a prime (1145451239) 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, 26498 + ... + 54708.

It is an arithmetic number, because the mean of its divisors is an integer number (150793140).

Almost surely, 21145451233 is an apocalyptic number.

It is an amenable number.

1145451233 is a deficient number, since it is larger than the sum of its proper divisors (60893887).

1145451233 is a wasteful number, since it uses less digits than its factorization.

1145451233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30367.

The product of its digits is 7200, while the sum is 29.

The square root of 1145451233 is about 33844.5155527450. The cubic root of 1145451233 is about 1046.3063667949.

Adding to 1145451233 its reverse (3321545411), we get a palindrome (4466996644).

The spelling of 1145451233 in words is "one billion, one hundred forty-five million, four hundred fifty-one thousand, two hundred thirty-three".

Divisors: 1 19 2137 28211 40603 536009 60286907 1145451233