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145141572723 = 3756503122321
BaseRepresentation
bin1000011100101100011…
…1001010010001110011
3111212122011110211120120
42013023013022101303
54334222220311343
6150402131341323
713325513004150
oct2071307122163
9455564424516
10145141572723
11566106a78a4
1224167751843
13108c0b5ba14
14704c423227
153b972e0683
hex21cb1ca473

145141572723 has 16 divisors (see below), whose sum is σ = 221173833216. Its totient is φ = 82935895680.

The previous prime is 145141572629. The next prime is 145141572827. The reversal of 145141572723 is 327275141541.

It is not a de Polignac number, because 145141572723 - 29 = 145141572211 is a prime.

It is a super-2 number, since 2×1451415727232 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145141570723) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1125403 + ... + 1247723.

It is an arithmetic number, because the mean of its divisors is an integer number (13823364576).

Almost surely, 2145141572723 is an apocalyptic number.

145141572723 is a deficient number, since it is larger than the sum of its proper divisors (76032260493).

145141572723 is a wasteful number, since it uses less digits than its factorization.

145141572723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178834.

The product of its digits is 235200, while the sum is 42.

The spelling of 145141572723 in words is "one hundred forty-five billion, one hundred forty-one million, five hundred seventy-two thousand, seven hundred twenty-three".

Divisors: 1 3 7 21 56503 122321 169509 366963 395521 856247 1186563 2568741 6911503463 20734510389 48380524241 145141572723