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1145307455 = 58313121067
BaseRepresentation
bin100010001000100…
…0000000100111111
32221211002122110122
41010101000010333
54321144314310
6305351525155
740244644535
oct10421000477
92854078418
101145307455
11538550496
1227b6897bb
13153385226
14ac174155
156a835555
hex4444013f

1145307455 has 16 divisors (see below), whose sum is σ = 1401611904. Its totient is φ = 898254240.

The previous prime is 1145307419. The next prime is 1145307467. The reversal of 1145307455 is 5547035411.

It is a happy number.

It is not a de Polignac number, because 1145307455 - 28 = 1145307199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43832 + ... + 64898.

It is an arithmetic number, because the mean of its divisors is an integer number (87600744).

Almost surely, 21145307455 is an apocalyptic number.

1145307455 is a deficient number, since it is larger than the sum of its proper divisors (256304449).

1145307455 is a wasteful number, since it uses less digits than its factorization.

1145307455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21286.

The product of its (nonzero) digits is 42000, while the sum is 35.

The square root of 1145307455 is about 33842.3913900894. The cubic root of 1145307455 is about 1046.2625872121.

The spelling of 1145307455 in words is "one billion, one hundred forty-five million, three hundred seven thousand, four hundred fifty-five".

Divisors: 1 5 83 131 415 655 10873 21067 54365 105335 1748561 2759777 8742805 13798885 229061491 1145307455