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145155451535141 = 565787256554943
BaseRepresentation
bin100001000000010010100011…
…001000000011111100100101
3201000221201120222211212012212
4201000102203020003330211
5123011211331043111031
61232415254401253205
742401064256222025
oct4100224310037445
9630851528755185
10145155451535141
11422840992189a3
1214344123034205
1362cc13c5c9348
1427bb7c0463a85
1511bac5e1d712b
hex8404a3203f25

145155451535141 has 4 divisors (see below), whose sum is σ = 145155708655872. Its totient is φ = 145155194414412.

The previous prime is 145155451535113. The next prime is 145155451535153. The reversal of 145155451535141 is 141535154551541.

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 145155451535141 - 246 = 74786707357477 is a prime.

It is a super-2 number, since 2×1451554515351412 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 145155451535141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145155451532141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127711685 + ... + 128843258.

It is an arithmetic number, because the mean of its divisors is an integer number (36288927163968).

Almost surely, 2145155451535141 is an apocalyptic number.

It is an amenable number.

145155451535141 is a deficient number, since it is larger than the sum of its proper divisors (257120731).

145155451535141 is an equidigital number, since it uses as much as digits as its factorization.

145155451535141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257120730.

The product of its digits is 3000000, while the sum is 50.

The spelling of 145155451535141 in words is "one hundred forty-five trillion, one hundred fifty-five billion, four hundred fifty-one million, five hundred thirty-five thousand, one hundred forty-one".

Divisors: 1 565787 256554943 145155451535141