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145180103 = 373338891
BaseRepresentation
bin10001010011101…
…00010111000111
3101010011220122212
420221310113013
5244131230403
622223414035
73412003415
oct1051642707
9333156585
10145180103
1174a4aa62
124075431b
13241020b3
14153d22b5
15cb2b4d8
hex8a745c7

145180103 has 4 divisors (see below), whose sum is σ = 145222728. Its totient is φ = 145137480.

The previous prime is 145180097. The next prime is 145180111. The reversal of 145180103 is 301081541.

145180103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 301081541 = 2411249301.

It is a cyclic number.

It is not a de Polignac number, because 145180103 - 226 = 78071239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145189103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15713 + ... + 23178.

It is an arithmetic number, because the mean of its divisors is an integer number (36305682).

Almost surely, 2145180103 is an apocalyptic number.

145180103 is a deficient number, since it is larger than the sum of its proper divisors (42625).

145180103 is an equidigital number, since it uses as much as digits as its factorization.

145180103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42624.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 145180103 is about 12049.0706280609. The cubic root of 145180103 is about 525.5762114923.

The spelling of 145180103 in words is "one hundred forty-five million, one hundred eighty thousand, one hundred three".

Divisors: 1 3733 38891 145180103