Base | Representation |
---|---|
bin | 10001010100111… |
… | …11000000101000 |
3 | 101010111210021211 |
4 | 20222133000220 |
5 | 244202323132 |
6 | 22231242504 |
7 | 3413331622 |
oct | 1052370050 |
9 | 333453254 |
10 | 145354792 |
11 | 7505a230 |
12 | 40819434 |
13 | 2416376b |
14 | 15439c12 |
15 | cb63147 |
hex | 8a9f028 |
145354792 has 64 divisors (see below), whose sum is σ = 307929600. Its totient is φ = 63752640.
The previous prime is 145354789. The next prime is 145354793. The reversal of 145354792 is 297453541.
It is a happy number.
It is a super-2 number, since 2×1453547922 = 42256031114726528, which contains 22 as substring.
It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.
It is not an unprimeable number, because it can be changed into a prime (145354793) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 404709 + ... + 405067.
It is an arithmetic number, because the mean of its divisors is an integer number (4811400).
Almost surely, 2145354792 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 145354792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153964800).
145354792 is an abundant number, since it is smaller than the sum of its proper divisors (162574808).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145354792 is a wasteful number, since it uses less digits than its factorization.
145354792 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 526 (or 522 counting only the distinct ones).
The product of its digits is 151200, while the sum is 40.
The square root of 145354792 is about 12056.3175140671. The cubic root of 145354792 is about 525.7869281145.
The spelling of 145354792 in words is "one hundred forty-five million, three hundred fifty-four thousand, seven hundred ninety-two".
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