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145988488225 = 5223253893023
BaseRepresentation
bin1000011111110110010…
…1111000110000100001
3111221211012002121020101
42013331211320300201
54342441023110400
6151022143542401
713355505450436
oct2077545706041
9457735077211
10145988488225
1156a05771a68
12243632baa01
13109c745a058
1470ccac1b8d
153be683356a
hex21fd978c21

145988488225 has 12 divisors (see below), whose sum is σ = 188896409856. Its totient is φ = 111712929680.

The previous prime is 145988488207. The next prime is 145988488249. The reversal of 145988488225 is 522884889541.

145988488225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 145988488225 - 217 = 145988357153 is a prime.

It is a Duffinian 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 11 ways as a sum of consecutive naturals, for example, 126945937 + ... + 126947086.

It is an arithmetic number, because the mean of its divisors is an integer number (15741367488).

Almost surely, 2145988488225 is an apocalyptic number.

It is an amenable number.

145988488225 is a deficient number, since it is larger than the sum of its proper divisors (42907921631).

145988488225 is a wasteful number, since it uses less digits than its factorization.

145988488225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253893056 (or 253893051 counting only the distinct ones).

The product of its digits is 58982400, while the sum is 64.

The spelling of 145988488225 in words is "one hundred forty-five billion, nine hundred eighty-eight million, four hundred eighty-eight thousand, two hundred twenty-five".

Divisors: 1 5 23 25 115 575 253893023 1269465115 5839539529 6347325575 29197697645 145988488225