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145557865466 = 21342787130843
BaseRepresentation
bin1000011110001111101…
…1001100001111111010
3111220201011210200212022
42013203323030033322
54341100303143331
6150511322114442
713342026304466
oct2074373141772
9456634720768
10145557865466
1156804690792
122426304ba22
13109591861a0
14708b8294a6
153bbdb2167b
hex21e3ecc3fa

145557865466 has 16 divisors (see below), whose sum is σ = 235139229024. Its totient is φ = 67178469744.

The previous prime is 145557865463. The next prime is 145557865469. The reversal of 145557865466 is 664568755541.

It is an interprime number because it is at equal distance from previous prime (145557865463) and next prime (145557865469).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 145557865399 and 145557865408.

It is not an unprimeable number, because it can be changed into a prime (145557865463) 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, 1047041 + ... + 1177883.

It is an arithmetic number, because the mean of its divisors is an integer number (14696201814).

Almost surely, 2145557865466 is an apocalyptic number.

145557865466 is a deficient number, since it is larger than the sum of its proper divisors (89581363558).

145557865466 is a wasteful number, since it uses less digits than its factorization.

145557865466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173645.

The product of its digits is 120960000, while the sum is 62.

The spelling of 145557865466 in words is "one hundred forty-five billion, five hundred fifty-seven million, eight hundred sixty-five thousand, four hundred sixty-six".

Divisors: 1 2 13 26 42787 85574 130843 261686 556231 1112462 1700959 3401918 5598379441 11196758882 72778932733 145557865466