Base | Representation |
---|---|
bin | 10001010010101… |
… | …10011100100111 |
3 | 101002221200120210 |
4 | 20221112130213 |
5 | 244113320300 |
6 | 22221030503 |
7 | 3410653245 |
oct | 1051263447 |
9 | 332850523 |
10 | 145057575 |
11 | 749769a3 |
12 | 406b5433 |
13 | 2408b3b0 |
14 | 1539d795 |
15 | cb05050 |
hex | 8a56727 |
145057575 has 48 divisors (see below), whose sum is σ = 265323296. Its totient is φ = 69465600.
The previous prime is 145057567. The next prime is 145057579. The reversal of 145057575 is 575750541.
145057575 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 145057575 - 23 = 145057567 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145057579) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 34065 + ... + 38085.
Almost surely, 2145057575 is an apocalyptic number.
145057575 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
145057575 is a deficient number, since it is larger than the sum of its proper divisors (120265721).
145057575 is a wasteful number, since it uses less digits than its factorization.
145057575 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4084 (or 4079 counting only the distinct ones).
The product of its (nonzero) digits is 122500, while the sum is 39.
The square root of 145057575 is about 12043.9850132753. The cubic root of 145057575 is about 525.4283126047.
The spelling of 145057575 in words is "one hundred forty-five million, fifty-seven thousand, five hundred seventy-five".
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