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144445120141525 = 5272117914383789
BaseRepresentation
bin100000110101111101000000…
…000100110101100011010101
3200221102211002210000021202221
4200311331000010311203111
5122413042101224012100
61231113101102302341
742265546506052300
oct4065750004654325
9627384083007687
10144445120141525
114202a916709375
121424a5225879b1
13627a168901a58
142795276db3b37
1511a753811101a
hex835f401358d5

144445120141525 has 18 divisors (see below), whose sum is σ = 208354716156930. Its totient is φ = 99048082381920.

The previous prime is 144445120141501. The next prime is 144445120141583. The reversal of 144445120141525 is 525141021544441.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 12546854959716 + 131898265181809 = 3542154^2 + 11484697^2 .

It is not a de Polignac number, because 144445120141525 - 27 = 144445120141397 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 58957190670 + ... + 58957193119.

Almost surely, 2144445120141525 is an apocalyptic number.

It is an amenable number.

144445120141525 is a deficient number, since it is larger than the sum of its proper divisors (63909596015405).

144445120141525 is a wasteful number, since it uses less digits than its factorization.

144445120141525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117914383813 (or 117914383801 counting only the distinct ones).

The product of its (nonzero) digits is 512000, while the sum is 43.

Adding to 144445120141525 its reverse (525141021544441), we get a palindrome (669586141685966).

The spelling of 144445120141525 in words is "one hundred forty-four trillion, four hundred forty-five billion, one hundred twenty million, one hundred forty-one thousand, five hundred twenty-five".

Divisors: 1 5 7 25 35 49 175 245 1225 117914383789 589571918945 825400686523 2947859594725 4127003432615 5777804805661 20635017163075 28889024028305 144445120141525