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145077925879 = 433373905253
BaseRepresentation
bin1000011100011101010…
…0010111011111110111
3111212110201201020112001
42013013110113133313
54334104422112004
6150351535240131
713324111010635
oct2070724273767
9455421636461
10145077925879
1156588785aa7
122414a379047
13108b0905b73
147043bb6355
153b9191c1a4
hex21c75177f7

145077925879 has 4 divisors (see below), whose sum is σ = 148451831176. Its totient is φ = 141704020584.

The previous prime is 145077925849. The next prime is 145077925913. The reversal of 145077925879 is 978529770541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 978529770541 = 2536373857993.

It is a cyclic number.

It is not a de Polignac number, because 145077925879 - 219 = 145077401591 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 145077925879.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145077925849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1686952584 + ... + 1686952669.

It is an arithmetic number, because the mean of its divisors is an integer number (37112957794).

Almost surely, 2145077925879 is an apocalyptic number.

145077925879 is a deficient number, since it is larger than the sum of its proper divisors (3373905297).

145077925879 is an equidigital number, since it uses as much as digits as its factorization.

145077925879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3373905296.

The product of its (nonzero) digits is 44452800, while the sum is 64.

The spelling of 145077925879 in words is "one hundred forty-five billion, seventy-seven million, nine hundred twenty-five thousand, eight hundred seventy-nine".

Divisors: 1 43 3373905253 145077925879