Search a number
-
+
144448073477 = 1958043130981
BaseRepresentation
bin1000011010000111000…
…1101010111100000101
3111210211211112102110022
42012201301222330011
54331312201322402
6150205235304525
713302362236361
oct2064161527405
9453754472408
10144448073477
1156295198624
1223bb344b145
1310810287536
146dc429c2a1
153b564a42a2
hex21a1c6af05

144448073477 has 8 divisors (see below), whose sum is σ = 152054384160. Its totient is φ = 136842140880.

The previous prime is 144448073461. The next prime is 144448073501. The reversal of 144448073477 is 774370844441.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 144448073477 - 24 = 144448073461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144448073417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1037327 + ... + 1168307.

It is an arithmetic number, because the mean of its divisors is an integer number (19006798020).

Almost surely, 2144448073477 is an apocalyptic number.

It is an amenable number.

144448073477 is a deficient number, since it is larger than the sum of its proper divisors (7606310683).

144448073477 is a wasteful number, since it uses less digits than its factorization.

144448073477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189043.

The product of its (nonzero) digits is 8429568, while the sum is 53.

The spelling of 144448073477 in words is "one hundred forty-four billion, four hundred forty-eight million, seventy-three thousand, four hundred seventy-seven".

Divisors: 1 19 58043 130981 1102817 2488639 7602530183 144448073477