Search a number
-
+
145734128503457 = 13171494234413179
BaseRepresentation
bin100001001000101101011110…
…111101100000101010100001
3201010000001020222122200011212
4201020231132331200222201
5123100201443344102312
61233541200121115505
742460641363255644
oct4110553675405241
9633001228580155
10145734128503457
114248755129415a
1214418300928b95
13634189173b930
1427db7d8827a5b
1511cad2c099822
hex848b5ef60aa1

145734128503457 has 16 divisors (see below), whose sum is σ = 166177622096640. Its totient is φ = 126609769558272.

The previous prime is 145734128503441. The next prime is 145734128503499. The reversal of 145734128503457 is 754305821437541.

It is not a de Polignac number, because 145734128503457 - 24 = 145734128503441 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 145734128503396 and 145734128503405.

It is not an unprimeable number, because it can be changed into a prime (145734128503417) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30815894 + ... + 35229072.

It is an arithmetic number, because the mean of its divisors is an integer number (10386101381040).

Almost surely, 2145734128503457 is an apocalyptic number.

145734128503457 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

145734128503457 is a deficient number, since it is larger than the sum of its proper divisors (20443493593183).

145734128503457 is a wasteful number, since it uses less digits than its factorization.

145734128503457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4562632.

The product of its (nonzero) digits is 56448000, while the sum is 59.

The spelling of 145734128503457 in words is "one hundred forty-five trillion, seven hundred thirty-four billion, one hundred twenty-eight million, five hundred three thousand, four hundred fifty-seven".

Divisors: 1 13 17 221 149423 1942499 2540191 4413179 33022483 57371327 75024043 975312559 659430445717 8572595794321 11210317577189 145734128503457