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145228847659 = 7191091946223
BaseRepresentation
bin1000011101000001010…
…0000101101000101011
3111212212020200212021121
42013100110011220223
54334412041111114
6150414530120111
713330622560060
oct2072024055053
9455766625247
10145228847659
1156655997845
1224190a20037
1310905c684ac
147059c60c67
153b9eccea24
hex21d0505a2b

145228847659 has 8 divisors (see below), whose sum is σ = 174711395840. Its totient is φ = 117930191976.

The previous prime is 145228847653. The next prime is 145228847663. The reversal of 145228847659 is 956748822541.

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 145228847659 - 25 = 145228847627 is a prime.

It is a super-2 number, since 2×1452288476592 (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 = 145228847597 and 145228847606.

It is not an unprimeable number, because it can be changed into a prime (145228847653) 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, 545972979 + ... + 545973244.

It is an arithmetic number, because the mean of its divisors is an integer number (21838924480).

Almost surely, 2145228847659 is an apocalyptic number.

145228847659 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

145228847659 is a deficient number, since it is larger than the sum of its proper divisors (29482548181).

145228847659 is a wasteful number, since it uses less digits than its factorization.

145228847659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1091946249.

The product of its digits is 38707200, while the sum is 61.

The spelling of 145228847659 in words is "one hundred forty-five billion, two hundred twenty-eight million, eight hundred forty-seven thousand, six hundred fifty-nine".

Divisors: 1 7 19 133 1091946223 7643623561 20746978237 145228847659