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145106380800 = 2113552107109
BaseRepresentation
bin1000011100100100000…
…0111010100000000000
3111212112201020220100000
42013021000322200000
54334134213141200
6150354433200000
713324604612613
oct2071100724000
9455481226300
10145106380800
11565a2850667
1224157a00000
13108b67897b4
1470478a217a
153b9418d300
hex21c903a800

145106380800 has 864 divisors, whose sum is σ = 548950802400. Its totient is φ = 37981716480.

The previous prime is 145106380789. The next prime is 145106380843. The reversal of 145106380800 is 8083601541.

145106380800 is a `hidden beast` number, since 1 + 4 + 5 + 10 + 638 + 0 + 8 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (864).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1331251146 + ... + 1331251254.

It is an arithmetic number, because the mean of its divisors is an integer number (635359725).

Almost surely, 2145106380800 is an apocalyptic number.

145106380800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145106380800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (274475401200).

145106380800 is an abundant number, since it is smaller than the sum of its proper divisors (403844421600).

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

145106380800 is a wasteful number, since it uses less digits than its factorization.

145106380800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263 (or 226 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The spelling of 145106380800 in words is "one hundred forty-five billion, one hundred six million, three hundred eighty thousand, eight hundred".