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144132453 = 349471879
BaseRepresentation
bin10001001011101…
…00100101100101
3101001012200120000
420211310211211
5243344214303
622145131513
73400051143
oct1045644545
9331180500
10144132453
11743a4933
1240329b99
1323b2629a
14151dc593
15c9c0da3
hex8974965

144132453 has 20 divisors (see below), whose sum is σ = 215651040. Its totient is φ = 95935752.

The previous prime is 144132451. The next prime is 144132473. The reversal of 144132453 is 354231441.

It is a happy number.

144132453 is a `hidden beast` number, since 1 + 4 + 413 + 245 + 3 = 666.

It is not a de Polignac number, because 144132453 - 21 = 144132451 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144132451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 75768 + ... + 77646.

It is an arithmetic number, because the mean of its divisors is an integer number (10782552).

Almost surely, 2144132453 is an apocalyptic number.

It is an amenable number.

144132453 is a deficient number, since it is larger than the sum of its proper divisors (71518587).

144132453 is an equidigital number, since it uses as much as digits as its factorization.

144132453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2838 (or 2829 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 144132453 is about 12005.5176065008. The cubic root of 144132453 is about 524.3089356400.

Adding to 144132453 its reverse (354231441), we get a palindrome (498363894).

The spelling of 144132453 in words is "one hundred forty-four million, one hundred thirty-two thousand, four hundred fifty-three".

Divisors: 1 3 9 27 81 947 1879 2841 5637 8523 16911 25569 50733 76707 152199 1779413 5338239 16014717 48044151 144132453