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145240525541 = 4911327222913
BaseRepresentation
bin1000011101000100000…
…0101000101011100101
3111212220001200011022202
42013101000220223211
54334423033304131
6150420024304245
713331124045266
oct2072100505345
9455801604282
10145240525541
1156661543591
1224194912085
13109084c6997
14705b62096d
153ba0d39bcb
hex21d1028ae5

145240525541 has 8 divisors (see below), whose sum is σ = 145646657664. Its totient is φ = 144834842880.

The previous prime is 145240525517. The next prime is 145240525571. The reversal of 145240525541 is 145525042541.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-145240525541 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 145240525495 and 145240525504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145240525571) 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, 540101 + ... + 763013.

It is an arithmetic number, because the mean of its divisors is an integer number (18205832208).

Almost surely, 2145240525541 is an apocalyptic number.

It is an amenable number.

145240525541 is a deficient number, since it is larger than the sum of its proper divisors (406132123).

145240525541 is a wasteful number, since it uses less digits than its factorization.

145240525541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224731.

The product of its (nonzero) digits is 160000, while the sum is 38.

The spelling of 145240525541 in words is "one hundred forty-five billion, two hundred forty million, five hundred twenty-five thousand, five hundred forty-one".

Divisors: 1 491 1327 222913 651557 109450283 295805551 145240525541