Base | Representation |
---|---|
bin | 10001010100111… |
… | …00111101001001 |
3 | 101010111100202011 |
4 | 20222130331021 |
5 | 244202041002 |
6 | 22231135521 |
7 | 3413265241 |
oct | 1052347511 |
9 | 333440664 |
10 | 145346377 |
11 | 75053980 |
12 | 408145a1 |
13 | 2415c997 |
14 | 15436b21 |
15 | cb608d7 |
hex | 8a9cf49 |
145346377 has 16 divisors (see below), whose sum is σ = 160997760. Its totient is φ = 130118400.
The previous prime is 145346359. The next prime is 145346381. The reversal of 145346377 is 773643541.
145346377 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-145346377 is a prime.
It is a super-2 number, since 2×1453463772 = 42251138614052258, which contains 22 as substring.
Its product of digits (211680) is a multiple of the sum of its prime divisors (864).
It is not an unprimeable number, because it can be changed into a prime (145346317) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 288708 + ... + 289210.
It is an arithmetic number, because the mean of its divisors is an integer number (10062360).
Almost surely, 2145346377 is an apocalyptic number.
It is an amenable number.
145346377 is a deficient number, since it is larger than the sum of its proper divisors (15651383).
145346377 is a wasteful number, since it uses less digits than its factorization.
145346377 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 864.
The product of its digits is 211680, while the sum is 40.
The square root of 145346377 is about 12055.9685218567. The cubic root of 145346377 is about 525.7767814880.
The spelling of 145346377 in words is "one hundred forty-five million, three hundred forty-six thousand, three hundred seventy-seven".
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