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144453413531 = 7231277064773
BaseRepresentation
bin1000011010001000011…
…0000010101010011011
3111210212012120201122002
42012202012002222123
54331320033213111
6150205545551215
713302455520140
oct2064206025233
9453765521562
10144453413531
1156298205699
1223bb51a550b
131081140702b
146dc4c8c3c7
153b56bab63b
hex21a2182a9b

144453413531 has 16 divisors (see below), whose sum is σ = 173623885824. Its totient is φ = 117501287904.

The previous prime is 144453413497. The next prime is 144453413551. The reversal of 144453413531 is 135314354441.

It is not a de Polignac number, because 144453413531 - 234 = 127273544347 is a prime.

It is a super-2 number, since 2×1444534135312 (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 (144453413551) 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, 3511940 + ... + 3552833.

It is an arithmetic number, because the mean of its divisors is an integer number (10851492864).

Almost surely, 2144453413531 is an apocalyptic number.

144453413531 is a deficient number, since it is larger than the sum of its proper divisors (29170472293).

144453413531 is a wasteful number, since it uses less digits than its factorization.

144453413531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7064930.

The product of its digits is 172800, while the sum is 38.

Adding to 144453413531 its reverse (135314354441), we get a palindrome (279767767972).

The spelling of 144453413531 in words is "one hundred forty-four billion, four hundred fifty-three million, four hundred thirteen thousand, five hundred thirty-one".

Divisors: 1 7 23 127 161 889 2921 20447 7064773 49453411 162489779 897226171 1137428453 6280583197 20636201933 144453413531