Base | Representation |
---|---|
bin | 10001010010010… |
… | …00111010101010 |
3 | 101002211212120011 |
4 | 20221020322222 |
5 | 244110032104 |
6 | 22215522134 |
7 | 3410332543 |
oct | 1051107252 |
9 | 332755504 |
10 | 145002154 |
11 | 749392a0 |
12 | 4068934a |
13 | 2406c0bb |
14 | 153874ca |
15 | cae3904 |
hex | 8a48eaa |
145002154 has 16 divisors (see below), whose sum is σ = 238408416. Its totient is φ = 65595600.
The previous prime is 145002133. The next prime is 145002161. The reversal of 145002154 is 451200541.
It is a Harshad number since it is a multiple of its sum of digits (22).
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10977 + ... + 20260.
It is an arithmetic number, because the mean of its divisors is an integer number (14900526).
Almost surely, 2145002154 is an apocalyptic number.
145002154 is a deficient number, since it is larger than the sum of its proper divisors (93406262).
145002154 is a wasteful number, since it uses less digits than its factorization.
145002154 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31461.
The product of its (nonzero) digits is 800, while the sum is 22.
The square root of 145002154 is about 12041.6840184419. The cubic root of 145002154 is about 525.3613886682.
Adding to 145002154 its reverse (451200541), we get a palindrome (596202695).
The spelling of 145002154 in words is "one hundred forty-five million, two thousand, one hundred fifty-four".
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