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145215011142425 = 5272991493312743
BaseRepresentation
bin100001000001001010000001…
…001001111011101100011001
3201001011102022210202101201202
4201001022001021323230121
5123013200320323024200
61232502504414323545
742405303230432660
oct4101120111735431
9631142283671652
10145215011142425
11422a7382051434
12143537854b95b5
136304941a41713
1427c0630639dd7
1511bc597e481d5
hex84128127bb19

145215011142425 has 48 divisors (see below), whose sum is σ = 212889644547840. Its totient is φ = 96140993975040.

The previous prime is 145215011142407. The next prime is 145215011142437. The reversal of 145215011142425 is 524241110512541.

It is not a de Polignac number, because 145215011142425 - 26 = 145215011142361 is a prime.

It is a super-2 number, since 2×1452150111424252 (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 464170604 + ... + 464483346.

It is an arithmetic number, because the mean of its divisors is an integer number (4435200928080).

Almost surely, 2145215011142425 is an apocalyptic number.

It is an amenable number.

145215011142425 is a deficient number, since it is larger than the sum of its proper divisors (67674633405415).

145215011142425 is a wasteful number, since it uses less digits than its factorization.

145215011142425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404282 (or 404277 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 38.

Adding to 145215011142425 its reverse (524241110512541), we get a palindrome (669456121654966).

The spelling of 145215011142425 in words is "one hundred forty-five trillion, two hundred fifteen billion, eleven million, one hundred forty-two thousand, four hundred twenty-five".

Divisors: 1 5 7 25 29 35 145 175 203 725 1015 5075 91493 312743 457465 640451 1563715 2189201 2287325 2653297 3202255 7818575 9069547 10946005 13266485 16011275 18573079 45347735 54730025 63486829 66332425 92865395 226738675 317434145 464326975 1587170725 28613795299 143068976495 200296567093 715344882475 829800063671 1001482835465 4149000318355 5007414177325 5808600445697 20745001591775 29043002228485 145215011142425