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1145301053 = 1388100081
BaseRepresentation
bin100010001000011…
…1110100000111101
32221211002022200112
41010100332200331
54321144113203
6305351435405
740244620061
oct10420764075
92854068615
101145301053
115385466a6
1227b685b65
13153382340
14ac171aa1
156a8336d8
hex4443e83d

1145301053 has 4 divisors (see below), whose sum is σ = 1233401148. Its totient is φ = 1057200960.

The previous prime is 1145301049. The next prime is 1145301083. The reversal of 1145301053 is 3501035411.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 268075129 + 877225924 = 16373^2 + 29618^2 .

It is a cyclic number.

It is not a de Polignac number, because 1145301053 - 22 = 1145301049 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 (1145301043) 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, 44050028 + ... + 44050053.

It is an arithmetic number, because the mean of its divisors is an integer number (308350287).

Almost surely, 21145301053 is an apocalyptic number.

1145301053 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1145301053 is a deficient number, since it is larger than the sum of its proper divisors (88100095).

1145301053 is an equidigital number, since it uses as much as digits as its factorization.

1145301053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88100094.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 1145301053 is about 33842.2968044428. The cubic root of 1145301053 is about 1046.2606377543.

Adding to 1145301053 its reverse (3501035411), we get a palindrome (4646336464).

The spelling of 1145301053 in words is "one billion, one hundred forty-five million, three hundred one thousand, fifty-three".

Divisors: 1 13 88100081 1145301053