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153243144455 = 5172743142733
BaseRepresentation
bin1000111010111000000…
…0001101000100000111
3112122112210000022200212
42032232000031010013
510002320221110310
6154222100230035
714033336143622
oct2165600150407
9478483008625
10153243144455
1159a9883a625
122584899b31b
13115b2445b4b
1475ba3aadb9
153ebd6a1205
hex23ae00d107

153243144455 has 24 divisors (see below), whose sum is σ = 195609524832. Its totient is φ = 115226972672.

The previous prime is 153243144449. The next prime is 153243144463. The reversal of 153243144455 is 554441342351.

It is not a de Polignac number, because 153243144455 - 26 = 153243144391 is a prime.

It is a super-4 number, since 4×1532431444554 (a number of 46 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1002269 + ... + 1145001.

It is an arithmetic number, because the mean of its divisors is an integer number (8150396868).

Almost surely, 2153243144455 is an apocalyptic number.

153243144455 is a deficient number, since it is larger than the sum of its proper divisors (42366380377).

153243144455 is a wasteful number, since it uses less digits than its factorization.

153243144455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143515 (or 143498 counting only the distinct ones).

The product of its digits is 576000, while the sum is 41.

The spelling of 153243144455 in words is "one hundred fifty-three billion, two hundred forty-three million, one hundred forty-four thousand, four hundred fifty-five".

Divisors: 1 5 17 85 289 743 1445 3715 12631 63155 142733 214727 713665 1073635 2426461 12132305 41249837 106050619 206249185 530253095 1802860523 9014302615 30648628891 153243144455