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140445115 = 5298910883
BaseRepresentation
bin10000101111100…
…00010110111011
3100210021100110221
420113300112323
5241423220430
621534120511
73323522656
oct1027602673
9323240427
10140445115
1172306548
123b050137
1323134b25
141491c89d
15c4e357a
hex85f05bb

140445115 has 16 divisors (see below), whose sum is σ = 176320800. Its totient is φ = 107252992.

The previous prime is 140445091. The next prime is 140445133. The reversal of 140445115 is 511544041.

It is a cyclic number.

It is not a de Polignac number, because 140445115 - 27 = 140444987 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 140445115.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7464 + ... + 18346.

It is an arithmetic number, because the mean of its divisors is an integer number (11020050).

Almost surely, 2140445115 is an apocalyptic number.

140445115 is a deficient number, since it is larger than the sum of its proper divisors (35875685).

140445115 is a wasteful number, since it uses less digits than its factorization.

140445115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11006.

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 140445115 is about 11850.9541809932. The cubic root of 140445115 is about 519.7991272958.

Adding to 140445115 its reverse (511544041), we get a palindrome (651989156).

The spelling of 140445115 in words is "one hundred forty million, four hundred forty-five thousand, one hundred fifteen".

Divisors: 1 5 29 89 145 445 2581 10883 12905 54415 315607 968587 1578035 4842935 28089023 140445115