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144450268775 = 5219304105829
BaseRepresentation
bin1000011010000111101…
…0000010111001100111
3111210211222122221211122
42012201322002321213
54331313232100100
6150205354324155
713302420011561
oct2064172027147
9453758587748
10144450268775
1156296457a1a
1223bb412965b
1310810875827
146dc46b0331
153b56789985
hex21a1e82e67

144450268775 has 12 divisors (see below), whose sum is σ = 188545614600. Its totient is φ = 109478098080.

The previous prime is 144450268769. The next prime is 144450268789. The reversal of 144450268775 is 577862054441.

It is a happy number.

It is not a de Polignac number, because 144450268775 - 222 = 144446074471 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 152052440 + ... + 152053389.

It is an arithmetic number, because the mean of its divisors is an integer number (15712134550).

Almost surely, 2144450268775 is an apocalyptic number.

144450268775 is a deficient number, since it is larger than the sum of its proper divisors (44095345825).

144450268775 is a wasteful number, since it uses less digits than its factorization.

144450268775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304105858 (or 304105853 counting only the distinct ones).

The product of its (nonzero) digits is 7526400, while the sum is 53.

The spelling of 144450268775 in words is "one hundred forty-four billion, four hundred fifty million, two hundred sixty-eight thousand, seven hundred seventy-five".

Divisors: 1 5 19 25 95 475 304105829 1520529145 5778010751 7602645725 28890053755 144450268775