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140540045 = 528519859
BaseRepresentation
bin10000110000001…
…11100010001101
3100210110011200212
420120013202031
5241434240140
621540132205
73324366512
oct1030074215
9323404625
10140540045
11723708a8
123b097065
13231690b9
1414945309
15c511765
hex860788d

140540045 has 8 divisors (see below), whose sum is σ = 168724320. Its totient is φ = 112381200.

The previous prime is 140540033. The next prime is 140540063. The reversal of 140540045 is 540045041.

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

It is not a de Polignac number, because 140540045 - 214 = 140523661 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 140540045.

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 7 ways as a sum of consecutive naturals, for example, 9326 + ... + 19184.

It is an arithmetic number, because the mean of its divisors is an integer number (21090540).

Almost surely, 2140540045 is an apocalyptic number.

It is an amenable number.

140540045 is a deficient number, since it is larger than the sum of its proper divisors (28184275).

140540045 is an equidigital number, since it uses as much as digits as its factorization.

140540045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12715.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 140540045 is about 11854.9586671570. The cubic root of 140540045 is about 519.9162155444.

Adding to 140540045 its reverse (540045041), we get a palindrome (680585086).

The spelling of 140540045 in words is "one hundred forty million, five hundred forty thousand, forty-five".

Divisors: 1 5 2851 9859 14255 49295 28108009 140540045