Search a number
-
+
145435245 = 3543463487
BaseRepresentation
bin10001010101100…
…10101001101101
3101010122212122120
420222302221231
5244212411440
622233103153
73414115314
oct1052625155
9333585576
10145435245
117510471a
1240857ab9
1324191277
141545b27b
15cb7bdd0
hex8ab2a6d

145435245 has 32 divisors (see below), whose sum is σ = 239112192. Its totient is φ = 75442752.

The previous prime is 145435237. The next prime is 145435259. The reversal of 145435245 is 542534541.

145435245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 145435245 - 23 = 145435237 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 298392 + ... + 298878.

It is an arithmetic number, because the mean of its divisors is an integer number (7472256).

Almost surely, 2145435245 is an apocalyptic number.

145435245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145435245 is a deficient number, since it is larger than the sum of its proper divisors (93676947).

145435245 is a wasteful number, since it uses less digits than its factorization.

145435245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001.

The product of its digits is 48000, while the sum is 33.

The square root of 145435245 is about 12059.6536019904. The cubic root of 145435245 is about 525.8839168529.

Adding to 145435245 its reverse (542534541), we get a palindrome (687969786).

The spelling of 145435245 in words is "one hundred forty-five million, four hundred thirty-five thousand, two hundred forty-five".

Divisors: 1 3 5 15 43 129 215 463 487 645 1389 1461 2315 2435 6945 7305 19909 20941 59727 62823 99545 104705 225481 298635 314115 676443 1127405 3382215 9695683 29087049 48478415 145435245