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145369235075 = 52172314871533
BaseRepresentation
bin1000011101100010101…
…1100111111010000011
3111220020000212021121112
42013120223213322003
54340204011010300
6150440503113535
713334246052611
oct2073053477203
9456200767545
10145369235075
11567181639a9
122420ba428ab
131092907cc7c
1470707666b1
153bac2b0e35
hex21d8ae7e83

145369235075 has 24 divisors (see below), whose sum is σ = 199159583328. Its totient is φ = 104695585280.

The previous prime is 145369235071. The next prime is 145369235083. The reversal of 145369235075 is 570532963541.

It is a happy number.

It is not a de Polignac number, because 145369235075 - 22 = 145369235071 is a prime.

It is a super-2 number, since 2×1453692350752 (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145369235071) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7425992 + ... + 7445541.

It is an arithmetic number, because the mean of its divisors is an integer number (8298315972).

Almost surely, 2145369235075 is an apocalyptic number.

145369235075 is a deficient number, since it is larger than the sum of its proper divisors (53790348253).

145369235075 is a wasteful number, since it uses less digits than its factorization.

145369235075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14871583 (or 14871578 counting only the distinct ones).

The product of its (nonzero) digits is 3402000, while the sum is 50.

The spelling of 145369235075 in words is "one hundred forty-five billion, three hundred sixty-nine million, two hundred thirty-five thousand, seventy-five".

Divisors: 1 5 17 23 25 85 115 391 425 575 1955 9775 14871533 74357665 252816061 342045259 371788325 1264080305 1710226295 5814769403 6320401525 8551131475 29073847015 145369235075