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144242242397 = 1149871262937
BaseRepresentation
bin1000011001010110000…
…0011111001101011101
3111210022111020010021222
42012111200133031131
54330402003224042
6150133003503125
713264312554641
oct2062540371535
9453274203258
10144242242397
1156199a926a0
1223b56527aa5
13107a973b0b6
146da4bdcc21
153b433972d2
hex219581f35d

144242242397 has 8 divisors (see below), whose sum is σ = 157358927232. Its totient is φ = 131126183200.

The previous prime is 144242242381. The next prime is 144242242423. The reversal of 144242242397 is 793242242441.

144242242397 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 144242242397 - 24 = 144242242381 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 (144242242307) 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 7 ways as a sum of consecutive naturals, for example, 417113 + ... + 680049.

It is an arithmetic number, because the mean of its divisors is an integer number (19669865904).

Almost surely, 2144242242397 is an apocalyptic number.

It is an amenable number.

144242242397 is a deficient number, since it is larger than the sum of its proper divisors (13116684835).

144242242397 is a wasteful number, since it uses less digits than its factorization.

144242242397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312819.

The product of its digits is 774144, while the sum is 44.

Adding to 144242242397 its sum of digits (44), we get a palindrome (144242242441).

The spelling of 144242242397 in words is "one hundred forty-four billion, two hundred forty-two million, two hundred forty-two thousand, three hundred ninety-seven".

Divisors: 1 11 49871 262937 548581 2892307 13112931127 144242242397