Base | Representation |
---|---|
bin | 10001010010101… |
… | …01011011101111 |
3 | 101002221110220000 |
4 | 20221111123233 |
5 | 244113202143 |
6 | 22220555343 |
7 | 3410635164 |
oct | 1051253357 |
9 | 332843800 |
10 | 145053423 |
11 | 74973869 |
12 | 406b2b53 |
13 | 24089538 |
14 | 1539c06b |
15 | cb03bd3 |
hex | 8a556ef |
145053423 has 10 divisors (see below), whose sum is σ = 216684864. Its totient is φ = 96702228.
The previous prime is 145053413. The next prime is 145053487. The reversal of 145053423 is 324350541.
It is not a de Polignac number, because 145053423 - 29 = 145052911 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145053413) by changing a digit.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 895311 + ... + 895472.
Almost surely, 2145053423 is an apocalyptic number.
145053423 is a deficient number, since it is larger than the sum of its proper divisors (71631441).
145053423 is an equidigital number, since it uses as much as digits as its factorization.
145053423 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1790795 (or 1790786 counting only the distinct ones).
The product of its (nonzero) digits is 7200, while the sum is 27.
The square root of 145053423 is about 12043.8126438433. The cubic root of 145053423 is about 525.4232994248.
The spelling of 145053423 in words is "one hundred forty-five million, fifty-three thousand, four hundred twenty-three".
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