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144814043747 = 1271140268061
BaseRepresentation
bin1000011011011110010…
…1101111001001100011
3111211210100011122021202
42012313211233021203
54333034343344442
6150305431311415
713314425030162
oct2066745571143
9454710148252
10144814043747
115646283049a
1224095b1b56b
131086b0428a9
14701ab253d9
153b78694c32
hex21b796f263

144814043747 has 4 divisors (see below), whose sum is σ = 145954311936. Its totient is φ = 143673775560.

The previous prime is 144814043741. The next prime is 144814043753. The reversal of 144814043747 is 747340418441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 747340418441 = 839004101427.

It is an interprime number because it is at equal distance from previous prime (144814043741) and next prime (144814043753).

It is a cyclic number.

It is not a de Polignac number, because 144814043747 - 214 = 144814027363 is a prime.

It is a super-2 number, since 2×1448140437472 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144814043741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 570133904 + ... + 570134157.

It is an arithmetic number, because the mean of its divisors is an integer number (36488577984).

Almost surely, 2144814043747 is an apocalyptic number.

144814043747 is a deficient number, since it is larger than the sum of its proper divisors (1140268189).

144814043747 is a wasteful number, since it uses less digits than its factorization.

144814043747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1140268188.

The product of its (nonzero) digits is 1204224, while the sum is 47.

The spelling of 144814043747 in words is "one hundred forty-four billion, eight hundred fourteen million, forty-three thousand, seven hundred forty-seven".

Divisors: 1 127 1140268061 144814043747