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1145442054 = 23190907009
BaseRepresentation
bin100010001000110…
…0000111100000110
32221211100111002210
41010101200330012
54321213121204
6305354444250
740246045131
oct10421407406
92854314083
101145442054
11538632629
1227b733686
13153401583
14ac1ab218
156a860389
hex44460f06

1145442054 has 8 divisors (see below), whose sum is σ = 2290884120. Its totient is φ = 381814016.

The previous prime is 1145442049. The next prime is 1145442071. The reversal of 1145442054 is 4502445411.

It is a sphenic number, since it is the product of 3 distinct primes.

1145442054 is an admirable number.

It is a Curzon 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 3 ways as a sum of consecutive naturals, for example, 95453499 + ... + 95453510.

It is an arithmetic number, because the mean of its divisors is an integer number (286360515).

Almost surely, 21145442054 is an apocalyptic number.

1145442054 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1145442054 is a wasteful number, since it uses less digits than its factorization.

1145442054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190907014.

The product of its (nonzero) digits is 12800, while the sum is 30.

The square root of 1145442054 is about 33844.3799470459. The cubic root of 1145442054 is about 1046.3035719512.

Adding to 1145442054 its reverse (4502445411), we get a palindrome (5647887465).

The spelling of 1145442054 in words is "one billion, one hundred forty-five million, four hundred forty-two thousand, fifty-four".

Divisors: 1 2 3 6 190907009 381814018 572721027 1145442054