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144450502045 = 528890100409
BaseRepresentation
bin1000011010000111101…
…0111011110110011101
3111210212000002210211021
42012201322323312131
54331313312031140
6150205403324141
713302422002633
oct2064172736635
9453760083737
10144450502045
11562965a7203
1223bb4220651
1310810927a65
146dc4731353
153b567d3b4a
hex21a1ebbd9d

144450502045 has 4 divisors (see below), whose sum is σ = 173340602460. Its totient is φ = 115560401632.

The previous prime is 144450501959. The next prime is 144450502111. The reversal of 144450502045 is 540205054441.

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 63442526884 + 81007975161 = 251878^2 + 284619^2 .

It is a cyclic number.

It is not a de Polignac number, because 144450502045 - 219 = 144449977757 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 144450502045.

It is a congruent number.

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, 14445050200 + ... + 14445050209.

It is an arithmetic number, because the mean of its divisors is an integer number (43335150615).

Almost surely, 2144450502045 is an apocalyptic number.

It is an amenable number.

144450502045 is a deficient number, since it is larger than the sum of its proper divisors (28890100415).

144450502045 is an equidigital number, since it uses as much as digits as its factorization.

144450502045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28890100414.

The product of its (nonzero) digits is 64000, while the sum is 34.

Adding to 144450502045 its reverse (540205054441), we get a palindrome (684655556486).

The spelling of 144450502045 in words is "one hundred forty-four billion, four hundred fifty million, five hundred two thousand, forty-five".

Divisors: 1 5 28890100409 144450502045