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144574457443 = 1396716676899
BaseRepresentation
bin1000011010100101001…
…1110010011001100011
3111211011122100101122221
42012221103302121203
54332042030114233
6150225552211511
713305455416633
oct2065123623143
9454148311587
10144574457443
115634a56a789
1224029839b97
1310830508150
146dd6d9a6c3
153b6261b42d
hex21a94f2663

144574457443 has 16 divisors (see below), whose sum is σ = 155972678400. Its totient is φ = 133216052256.

The previous prime is 144574457353. The next prime is 144574457477. The reversal of 144574457443 is 344754475441.

It is a cyclic number.

It is not a de Polignac number, because 144574457443 - 29 = 144574456931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144574457243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20952408 + ... + 20959306.

It is an arithmetic number, because the mean of its divisors is an integer number (9748292400).

Almost surely, 2144574457443 is an apocalyptic number.

144574457443 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

144574457443 is a deficient number, since it is larger than the sum of its proper divisors (11398220957).

144574457443 is a wasteful number, since it uses less digits than its factorization.

144574457443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9546.

The product of its digits is 15052800, while the sum is 52.

The spelling of 144574457443 in words is "one hundred forty-four billion, five hundred seventy-four million, four hundred fifty-seven thousand, four hundred forty-three".

Divisors: 1 13 967 1667 6899 12571 21671 89687 1611989 6671333 11500633 20955857 86727329 149508229 11121112111 144574457443