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455045144 = 231511632311
BaseRepresentation
bin11011000111110…
…111000000011000
31011201020200120212
4123013313000120
51412442421034
6113053110252
714163551141
oct3307670030
91151220525
10455045144
11213952174
12108488388
13733751a8
1444612ac8
1529e382ce
hex1b1f7018

455045144 has 32 divisors (see below), whose sum is σ = 864503040. Its totient is φ = 224532000.

The previous prime is 455045113. The next prime is 455045147. The reversal of 455045144 is 441540554.

It is a self number, because there is not a number n which added to its sum of digits gives 455045144.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455045147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195749 + ... + 198059.

It is an arithmetic number, because the mean of its divisors is an integer number (27015720).

Almost surely, 2455045144 is an apocalyptic number.

It is an amenable number.

455045144 is a deficient number, since it is larger than the sum of its proper divisors (409457896).

455045144 is a wasteful number, since it uses less digits than its factorization.

455045144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2631 (or 2627 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 32.

The square root of 455045144 is about 21331.7871731367. The cubic root of 455045144 is about 769.1626045670.

Adding to 455045144 its reverse (441540554), we get a palindrome (896585698).

It can be divided in two parts, 4550 and 45144, that added together give a palindrome (49694).

The spelling of 455045144 in words is "four hundred fifty-five million, forty-five thousand, one hundred forty-four".

Divisors: 1 2 4 8 151 163 302 326 604 652 1208 1304 2311 4622 9244 18488 24613 49226 98452 196904 348961 376693 697922 753386 1395844 1506772 2791688 3013544 56880643 113761286 227522572 455045144