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145860031446 = 2324310005241
BaseRepresentation
bin1000011111010111101…
…1110111001111010110
3111221111020101022122220
42013311323313033112
54342210132001241
6151001314403210
713352355545043
oct2076573671726
9457436338586
10145860031446
115694a204538
1224328290506
13109a6961b1c
1470b9a041ca
153bda40c166
hex21f5ef73d6

145860031446 has 8 divisors (see below), whose sum is σ = 291720062904. Its totient is φ = 48620010480.

The previous prime is 145860031417. The next prime is 145860031529. The reversal of 145860031446 is 644130068541.

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

145860031446 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 145860031398 and 145860031407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12155002615 + ... + 12155002626.

It is an arithmetic number, because the mean of its divisors is an integer number (36465007863).

Almost surely, 2145860031446 is an apocalyptic number.

145860031446 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145860031446 is a wasteful number, since it uses less digits than its factorization.

145860031446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24310005246.

The product of its (nonzero) digits is 276480, while the sum is 42.

Adding to 145860031446 its reverse (644130068541), we get a palindrome (789990099987).

The spelling of 145860031446 in words is "one hundred forty-five billion, eight hundred sixty million, thirty-one thousand, four hundred forty-six".

Divisors: 1 2 3 6 24310005241 48620010482 72930015723 145860031446