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1444287300145 = 5288857460029
BaseRepresentation
bin10101000001000110001…
…110110100001000110001
312010001221212100202010121
4111001012032310020301
5142130400022101040
63023255121130241
7206226533331124
oct25010616641061
95101855322117
101444287300145
1150757858a398
121b3ab4a89981
13a6270c80211
144dc923563bb
152788121cc4a
hex150463b4231

1444287300145 has 4 divisors (see below), whose sum is σ = 1733144760180. Its totient is φ = 1155429840112.

The previous prime is 1444287300077. The next prime is 1444287300163. The reversal of 1444287300145 is 5410037824441.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 735594398224 + 708692901921 = 857668^2 + 841839^2 .

It is a cyclic number.

It is not a de Polignac number, because 1444287300145 - 221 = 1444285202993 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144428730010 + ... + 144428730019.

It is an arithmetic number, because the mean of its divisors is an integer number (433286190045).

Almost surely, 21444287300145 is an apocalyptic number.

It is an amenable number.

1444287300145 is a deficient number, since it is larger than the sum of its proper divisors (288857460035).

1444287300145 is an equidigital number, since it uses as much as digits as its factorization.

1444287300145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288857460034.

The product of its (nonzero) digits is 430080, while the sum is 43.

The spelling of 1444287300145 in words is "one trillion, four hundred forty-four billion, two hundred eighty-seven million, three hundred thousand, one hundred forty-five".

Divisors: 1 5 288857460029 1444287300145