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145343240441 = 742294909747
BaseRepresentation
bin1000011101011100100…
…0011101100011111001
3111220011012221121200022
42013113020131203321
54340130332143231
6150434134020225
713333512105530
oct2072710354371
9456135847608
10145343240441
1156704519833
12242031a7675
131092387b129
14706b11b317
153ba9d78c7b
hex21d721d8f9

145343240441 has 8 divisors (see below), whose sum is σ = 166145872320. Its totient is φ = 124550436528.

The previous prime is 145343240431. The next prime is 145343240447. The reversal of 145343240441 is 144042343541.

It is a happy number.

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

It is not a de Polignac number, because 145343240441 - 26 = 145343240377 is a prime.

It is a super-2 number, since 2×1453432404412 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (145343240447) 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, 2425271 + ... + 2484476.

It is an arithmetic number, because the mean of its divisors is an integer number (20768234040).

Almost surely, 2145343240441 is an apocalyptic number.

It is an amenable number.

145343240441 is a deficient number, since it is larger than the sum of its proper divisors (20802631879).

145343240441 is an equidigital number, since it uses as much as digits as its factorization.

145343240441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4913983.

The product of its (nonzero) digits is 92160, while the sum is 35.

Adding to 145343240441 its reverse (144042343541), we get a palindrome (289385583982).

The spelling of 145343240441 in words is "one hundred forty-five billion, three hundred forty-three million, two hundred forty thousand, four hundred forty-one".

Divisors: 1 7 4229 29603 4909747 34368229 20763320063 145343240441