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145738105566 = 2337656477953
BaseRepresentation
bin1000011110111010101…
…0110000001011011110
3111221011201221211210120
42013232222300023132
54341432423334231
6150541241215410
713346345313024
oct2075652601336
9457151854716
10145738105566
11568973a7849
12242b3491566
1310987612431
1470a7746714
153bce875d96
hex21eeab02de

145738105566 has 16 divisors (see below), whose sum is σ = 299353947024. Its totient is φ = 47266412544.

The previous prime is 145738105561. The next prime is 145738105577. The reversal of 145738105566 is 665501837541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145738105561) 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, 328238755 + ... + 328239198.

It is an arithmetic number, because the mean of its divisors is an integer number (18709621689).

Almost surely, 2145738105566 is an apocalyptic number.

145738105566 is an abundant number, since it is smaller than the sum of its proper divisors (153615841458).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145738105566 is a wasteful number, since it uses less digits than its factorization.

145738105566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656477995.

The product of its (nonzero) digits is 3024000, while the sum is 51.

The spelling of 145738105566 in words is "one hundred forty-five billion, seven hundred thirty-eight million, one hundred five thousand, five hundred sixty-six".

Divisors: 1 2 3 6 37 74 111 222 656477953 1312955906 1969433859 3938867718 24289684261 48579368522 72869052783 145738105566