Search a number
-
+
145842761567 = 5923324144021
BaseRepresentation
bin1000011111010011100…
…1111110111101011111
3111221110000212220211202
42013310321332331133
54342141221332232
6150555500310115
713352056006406
oct2076471767537
9457400786752
10145842761567
1156940489408
122432254233b
13109a31c6269
1470b75ca63d
153bd8b4a162
hex21f4e7ef5f

145842761567 has 16 divisors (see below), whose sum is σ = 149572668960. Its totient is φ = 142159948800.

The previous prime is 145842761557. The next prime is 145842761573. The reversal of 145842761567 is 765167248541.

It is a cyclic number.

It is not a de Polignac number, because 145842761567 - 26 = 145842761503 is a prime.

It is a super-2 number, since 2×1458427615672 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145842761557) 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, 3291017 + ... + 3335037.

It is an arithmetic number, because the mean of its divisors is an integer number (9348291810).

Almost surely, 2145842761567 is an apocalyptic number.

145842761567 is a deficient number, since it is larger than the sum of its proper divisors (3729907393).

145842761567 is a wasteful number, since it uses less digits than its factorization.

145842761567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44554.

The product of its digits is 11289600, while the sum is 56.

The spelling of 145842761567 in words is "one hundred forty-five billion, eight hundred forty-two million, seven hundred sixty-one thousand, five hundred sixty-seven".

Divisors: 1 59 233 241 13747 14219 44021 56153 2597239 3313027 10256893 10609061 605156687 625934599 2471911213 145842761567