Search a number
-
+
145744704455 = 574164134413
BaseRepresentation
bin1000011110111100001…
…1111011001111000111
3111221012012101002202212
42013233003323033013
54341441121020310
6150542034454035
713346455355540
oct2075703731707
9457165332685
10145744704455
11568a00a4679
12242b573431b
1310988ab2bbc
1470a85834c7
153bd022b205
hex21ef0fb3c7

145744704455 has 8 divisors (see below), whose sum is σ = 199878451872. Its totient is φ = 99939225888.

The previous prime is 145744704421. The next prime is 145744704467. The reversal of 145744704455 is 554407447541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 145744704455 - 210 = 145744703431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2082067172 + ... + 2082067241.

It is an arithmetic number, because the mean of its divisors is an integer number (24984806484).

Almost surely, 2145744704455 is an apocalyptic number.

145744704455 is a deficient number, since it is larger than the sum of its proper divisors (54133747417).

145744704455 is an equidigital number, since it uses as much as digits as its factorization.

145744704455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4164134425.

The product of its (nonzero) digits is 6272000, while the sum is 50.

The spelling of 145744704455 in words is "one hundred forty-five billion, seven hundred forty-four million, seven hundred four thousand, four hundred fifty-five".

Divisors: 1 5 7 35 4164134413 20820672065 29148940891 145744704455