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144501242453 = 227431635363
BaseRepresentation
bin1000011010010011110…
…0011111101001010101
3111210222112120200120122
42012210330133221111
54331414304224303
6150214415041325
713303606203101
oct2064474375125
9453875520518
10144501242453
1156312203227
1224009210245
131081b2b2179
146dcb37c901
153b5aea7e38
hex21a4f1fa55

144501242453 has 4 divisors (see below), whose sum is σ = 144502105248. Its totient is φ = 144500379660.

The previous prime is 144501242443. The next prime is 144501242489. The reversal of 144501242453 is 354242105441.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 144501242453 - 24 = 144501242437 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 (144501242443) 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, 90251 + ... + 545112.

It is an arithmetic number, because the mean of its divisors is an integer number (36125526312).

Almost surely, 2144501242453 is an apocalyptic number.

It is an amenable number.

144501242453 is a deficient number, since it is larger than the sum of its proper divisors (862795).

144501242453 is an equidigital number, since it uses as much as digits as its factorization.

144501242453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 862794.

The product of its (nonzero) digits is 76800, while the sum is 35.

Adding to 144501242453 its reverse (354242105441), we get a palindrome (498743347894).

The spelling of 144501242453 in words is "one hundred forty-four billion, five hundred one million, two hundred forty-two thousand, four hundred fifty-three".

Divisors: 1 227431 635363 144501242453