| Base | Representation |
|---|---|
| bin | 10001010110011… |
| … | …11100001000000 |
| 3 | 101010212212211100 |
| 4 | 20223033201000 |
| 5 | 244230202342 |
| 6 | 22235414400 |
| 7 | 3415120101 |
| oct | 1053174100 |
| 9 | 333785740 |
| 10 | 145553472 |
| 11 | 75185529 |
| 12 | 408b4400 |
| 13 | 2420301c |
| 14 | 1548c3a8 |
| 15 | cba1e4c |
| hex | 8acf840 |
145553472 has 84 divisors (see below), whose sum is σ = 424373040. Its totient is φ = 47684352.
The previous prime is 145553467. The next prime is 145553483. The reversal of 145553472 is 274355541.
145553472 is a `hidden beast` number, since 1 + 4 + 55 + 534 + 72 = 666.
It is a super-2 number, since 2×1455534722 = 42371626422509568, which contains 22 as substring.
It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is an unprimeable number.
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 11 ways as a sum of consecutive naturals, for example, 31843 + ... + 36125.
It is an arithmetic number, because the mean of its divisors is an integer number (5052060).
Almost surely, 2145553472 is an apocalyptic number.
145553472 is a gapful number since it is divisible by the number (12) 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 145553472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (212186520).
145553472 is an abundant number, since it is smaller than the sum of its proper divisors (278819568).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145553472 is a wasteful number, since it uses less digits than its factorization.
145553472 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4360 (or 4347 counting only the distinct ones).
The product of its digits is 84000, while the sum is 36.
The square root of 145553472 is about 12064.5543639208. The cubic root of 145553472 is about 526.0263785101.
The spelling of 145553472 in words is "one hundred forty-five million, five hundred fifty-three thousand, four hundred seventy-two".
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