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144662340240 = 243251129629843
BaseRepresentation
bin1000011010111010001…
…1000010001010010000
3111211101202201022012100
42012232203002022100
54332232024341430
6150242412000400
713310603413665
oct2065643021220
9454352638170
10144662340240
11563951353a0
1224053160100
13108457984c2
147004915a6c
153b6a1ca960
hex21ae8c2290

144662340240 has 240 divisors, whose sum is σ = 548266605120. Its totient is φ = 33860305920.

The previous prime is 144662340227. The next prime is 144662340331. The reversal of 144662340240 is 42043266441.

144662340240 is a `hidden beast` number, since 1 + 4 + 4 + 6 + 623 + 4 + 0 + 24 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

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

It is a junction number, because it is equal to n+sod(n) for n = 144662340195 and 144662340204.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 85242 + ... + 544601.

It is an arithmetic number, because the mean of its divisors is an integer number (2284444188).

Almost surely, 2144662340240 is an apocalyptic number.

144662340240 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 144662340240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (274133302560).

144662340240 is an abundant number, since it is smaller than the sum of its proper divisors (403604264880).

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

144662340240 is a wasteful number, since it uses less digits than its factorization.

144662340240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629902 (or 629893 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 36.

The spelling of 144662340240 in words is "one hundred forty-four billion, six hundred sixty-two million, three hundred forty thousand, two hundred forty".