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145637749390463 = 11532691247374453
BaseRepresentation
bin100001000111010011101110…
…010100010111110001111111
3201002122211111011100110010022
4201013103232110113301333
5123042112102320443323
61233425020342202355
742450660124314221
oct4107235624276177
9632584434313108
10145637749390463
114244a693843060
12144016a37233bb
1363357721433a5
1427d6c94632411
1511c858ab9a4c8
hex8474ee517c7f

145637749390463 has 32 divisors (see below), whose sum is σ = 162492209732160. Its totient is φ = 129404866339840.

The previous prime is 145637749390411. The next prime is 145637749390489. The reversal of 145637749390463 is 364093947736541.

It is a cyclic number.

It is not a de Polignac number, because 145637749390463 - 214 = 145637749374079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145637749390363) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1956065945 + ... + 1956140397.

It is an arithmetic number, because the mean of its divisors is an integer number (5077881554130).

Almost surely, 2145637749390463 is an apocalyptic number.

145637749390463 is a deficient number, since it is larger than the sum of its proper divisors (16854460341697).

145637749390463 is a wasteful number, since it uses less digits than its factorization.

145637749390463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87259.

The product of its (nonzero) digits is 1234517760, while the sum is 71.

The spelling of 145637749390463 in words is "one hundred forty-five trillion, six hundred thirty-seven billion, seven hundred forty-nine million, three hundred ninety thousand, four hundred sixty-three".

Divisors: 1 11 53 269 583 2959 12473 14257 74453 137203 156827 661069 818983 3355237 3946009 7271759 20027857 36907607 43406099 177827561 220306427 928652269 1061476421 1956103171 10215174959 11676240631 49218570257 249807460361 541404272827 2747882063971 13239795399133 145637749390463