| Base | Representation |
|---|---|
| bin | 10001010110110… |
| … | …10010000001111 |
| 3 | 101010222010011100 |
| 4 | 20223122100033 |
| 5 | 244233104310 |
| 6 | 22240354143 |
| 7 | 3415362243 |
| oct | 1053322017 |
| 9 | 333863140 |
| 10 | 145597455 |
| 11 | 75205583 |
| 12 | 40915953 |
| 13 | 2421a053 |
| 14 | 154a0423 |
| 15 | cbaeec0 |
| hex | 8ada40f |
145597455 has 12 divisors (see below), whose sum is σ = 252369000. Its totient is φ = 77651952.
The previous prime is 145597453. The next prime is 145597457. The reversal of 145597455 is 554795541.
It is a happy number.
145597455 is a `hidden beast` number, since 1 + 4 + 5 + 597 + 4 + 55 = 666.
It is an interprime number because it is at equal distance from previous prime (145597453) and next prime (145597457).
It is not a de Polignac number, because 145597455 - 21 = 145597453 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 3235499 = 145597455 / (1 + 4 + 5 + 5 + 9 + 7 + 4 + 5 + 5).
It is a self number, because there is not a number n which added to its sum of digits gives 145597455.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145597453) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1617705 + ... + 1617794.
It is an arithmetic number, because the mean of its divisors is an integer number (21030750).
Almost surely, 2145597455 is an apocalyptic number.
145597455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
145597455 is a deficient number, since it is larger than the sum of its proper divisors (106771545).
145597455 is a wasteful number, since it uses less digits than its factorization.
145597455 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3235510 (or 3235507 counting only the distinct ones).
The product of its digits is 630000, while the sum is 45.
The square root of 145597455 is about 12066.3770453272. The cubic root of 145597455 is about 526.0793576383.
The spelling of 145597455 in words is "one hundred forty-five million, five hundred ninety-seven thousand, four hundred fifty-five".
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