Search a number
-
+
145025431245 = 3257194482319
BaseRepresentation
bin1000011100010000110…
…0000111011011001101
3111212100001221020102100
42013010030013123031
54334003002244440
6150342422145313
713322602553232
oct2070414073315
9455301836370
10145025431245
1156561091002
1224134882239
13108a2a86156
14703ac2d789
153b8beed230
hex21c43076cd

145025431245 has 24 divisors (see below), whose sum is σ = 251727091200. Its totient is φ = 77239303776.

The previous prime is 145025431241. The next prime is 145025431261. The reversal of 145025431245 is 542134520541.

145025431245 is a `hidden beast` number, since 1 + 4 + 50 + 254 + 312 + 45 = 666.

It is not a de Polignac number, because 145025431245 - 22 = 145025431241 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145025431241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2208805 + ... + 2273514.

It is an arithmetic number, because the mean of its divisors is an integer number (10488628800).

Almost surely, 2145025431245 is an apocalyptic number.

145025431245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145025431245 is a deficient number, since it is larger than the sum of its proper divisors (106701659955).

145025431245 is a wasteful number, since it uses less digits than its factorization.

145025431245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4483049 (or 4483046 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

Adding to 145025431245 its reverse (542134520541), we get a palindrome (687159951786).

The spelling of 145025431245 in words is "one hundred forty-five billion, twenty-five million, four hundred thirty-one thousand, two hundred forty-five".

Divisors: 1 3 5 9 15 45 719 2157 3595 6471 10785 32355 4482319 13446957 22411595 40340871 67234785 201704355 3222787361 9668362083 16113936805 29005086249 48341810415 145025431245