Base | Representation |
---|---|
bin | 10001010100010… |
… | …00111101111000 |
3 | 101010100012102211 |
4 | 20222020331320 |
5 | 244141431004 |
6 | 22225304504 |
7 | 3412504450 |
oct | 1052107570 |
9 | 333305384 |
10 | 145264504 |
11 | 74aa8410 |
12 | 40795134 |
13 | 24131638 |
14 | 15414d60 |
15 | cb46504 |
hex | 8a88f78 |
145264504 has 64 divisors (see below), whose sum is σ = 354378240. Its totient is φ = 54130560.
The previous prime is 145264501. The next prime is 145264529. The reversal of 145264504 is 405462541.
It is a happy number.
It is a super-2 number, since 2×1452645042 = 42203552244732032, which contains 22 as substring.
It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145264501) 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 15 ways as a sum of consecutive naturals, for example, 9042 + ... + 19294.
It is an arithmetic number, because the mean of its divisors is an integer number (5537160).
Almost surely, 2145264504 is an apocalyptic number.
145264504 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 145264504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177189120).
145264504 is an abundant number, since it is smaller than the sum of its proper divisors (209113736).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145264504 is a wasteful number, since it uses less digits than its factorization.
145264504 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10300 (or 10296 counting only the distinct ones).
The product of its (nonzero) digits is 19200, while the sum is 31.
The square root of 145264504 is about 12052.5725054861. The cubic root of 145264504 is about 525.6780403324.
It can be divided in two parts, 1452 and 64504, that added together give a palindrome (65956).
The spelling of 145264504 in words is "one hundred forty-five million, two hundred sixty-four thousand, five hundred four".
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