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145455808554541 = 962315115432667
BaseRepresentation
bin100001000100101010010001…
…110011001010011000101101
3201002000102212101120100111201
4201010222101303022120231
5123031121443442221131
61233205250450445501
742431556350605312
oct4104522163123055
9632012771510451
10145455808554541
114238a5099a4151
1214392387b93891
13632156839b124
1427cc154b7cd09
1511c398cdb9761
hex844a91cca62d

145455808554541 has 4 divisors (see below), whose sum is σ = 145470923996832. Its totient is φ = 145440693112252.

The previous prime is 145455808554479. The next prime is 145455808554547.

145455808554541 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 145455808554541 - 29 = 145455808554029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145455808554547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7557706711 + ... + 7557725956.

It is an arithmetic number, because the mean of its divisors is an integer number (36367730999208).

Almost surely, 2145455808554541 is an apocalyptic number.

It is an amenable number.

145455808554541 is a deficient number, since it is larger than the sum of its proper divisors (15115442291).

145455808554541 is an equidigital number, since it uses as much as digits as its factorization.

145455808554541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15115442290.

The product of its (nonzero) digits is 256000000, while the sum is 64.

The spelling of 145455808554541 in words is "one hundred forty-five trillion, four hundred fifty-five billion, eight hundred eight million, five hundred fifty-four thousand, five hundred forty-one".

Divisors: 1 9623 15115432667 145455808554541