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144955141919 = 783249492499
BaseRepresentation
bin1000011011111111111…
…1111110111100011111
3111212011011200011120222
42012333333332330133
54333332004020134
6150331431431555
713321060243130
oct2067777767437
9455134604528
10144955141919
1156525442655
12241152255bb
1310891345a33
147031773c87
153b85c66a2e
hex21bfffef1f

144955141919 has 8 divisors (see below), whose sum is σ = 167658960000. Its totient is φ = 122750309016.

The previous prime is 144955141913. The next prime is 144955141937. The reversal of 144955141919 is 919141559441.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-144955141919 is a prime.

It is a super-2 number, since 2×1449551419192 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144955141913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124745669 + ... + 124746830.

It is an arithmetic number, because the mean of its divisors is an integer number (20957370000).

Almost surely, 2144955141919 is an apocalyptic number.

144955141919 is a deficient number, since it is larger than the sum of its proper divisors (22703818081).

144955141919 is an equidigital number, since it uses as much as digits as its factorization.

144955141919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249492589.

The product of its digits is 1166400, while the sum is 53.

The spelling of 144955141919 in words is "one hundred forty-four billion, nine hundred fifty-five million, one hundred forty-one thousand, nine hundred nineteen".

Divisors: 1 7 83 581 249492499 1746447493 20707877417 144955141919