Search a number
-
+
145301231123 = 1971107710327
BaseRepresentation
bin1000011101010010100…
…0001101011000010011
3111220001021220022201122
42013110220031120103
54340034103343443
6150430033352455
713332462041426
oct2072450153023
9456037808648
10145301231123
1156692836594
12241b110872b
1310917c5cb49
1470657039bd
153ba632b968
hex21d4a0d613

145301231123 has 8 divisors (see below), whose sum is σ = 155102872320. Its totient is φ = 135715010760.

The previous prime is 145301231111. The next prime is 145301231171. The reversal of 145301231123 is 321132103541.

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 145301231123 - 224 = 145284453907 is a prime.

It is a super-2 number, since 2×1453012311232 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 145301231092 and 145301231101.

It is not an unprimeable number, because it can be changed into a prime (145301231183) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53853815 + ... + 53856512.

It is an arithmetic number, because the mean of its divisors is an integer number (19387859040).

Almost surely, 2145301231123 is an apocalyptic number.

145301231123 is a deficient number, since it is larger than the sum of its proper divisors (9801641197).

145301231123 is a wasteful number, since it uses less digits than its factorization.

145301231123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107710417.

The product of its (nonzero) digits is 2160, while the sum is 26.

Adding to 145301231123 its reverse (321132103541), we get a palindrome (466433334664).

The spelling of 145301231123 in words is "one hundred forty-five billion, three hundred one million, two hundred thirty-one thousand, one hundred twenty-three".

Divisors: 1 19 71 1349 107710327 2046496213 7647433217 145301231123