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144980236497 = 31919331315837
BaseRepresentation
bin1000011100000101111…
…1101101100011010001
3111212012220220002212210
42013001133231203101
54333404420031442
6150334125342333
713321513451145
oct2070137554321
9455186802783
10144980236497
1156538622578
12241217079a9
13108965c0cb5
147034c27225
153b8807219c
hex21c17ed8d1

144980236497 has 16 divisors (see below), whose sum is σ = 203586455360. Its totient is φ = 91519025472.

The previous prime is 144980236481. The next prime is 144980236537. The reversal of 144980236497 is 794632089441.

144980236497 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 144980236497 - 24 = 144980236481 is a prime.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144980232497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 547738 + ... + 768099.

It is an arithmetic number, because the mean of its divisors is an integer number (12724153460).

Almost surely, 2144980236497 is an apocalyptic number.

It is an amenable number.

144980236497 is a deficient number, since it is larger than the sum of its proper divisors (58606218863).

144980236497 is a wasteful number, since it uses less digits than its factorization.

144980236497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1317792.

The product of its (nonzero) digits is 10450944, while the sum is 57.

The spelling of 144980236497 in words is "one hundred forty-four billion, nine hundred eighty million, two hundred thirty-six thousand, four hundred ninety-seven".

Divisors: 1 3 19 57 1933 5799 36727 110181 1315837 3947511 25000903 75002709 2543512921 7630538763 48326745499 144980236497