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145456195003812 = 2232721161657121579
BaseRepresentation
bin100001000100101010101000…
…110101010110010110100100
3201002000110212022202000020200
4201010222220311112112210
5123031123241410110222
61233205353053430500
742431602052431500
oct4104525065262644
9632013768660220
10145456195003812
114238a698054210
121439247549b430
1363215ca476934
1427cc190217300
1511c39b1ca2eac
hex844aa8d565a4

145456195003812 has 216 divisors, whose sum is σ = 466604654312160. Its totient is φ = 37779906366720.

The previous prime is 145456195003739. The next prime is 145456195003831. The reversal of 145456195003812 is 218300591654541.

145456195003812 is a `hidden beast` number, since 1 + 4 + 5 + 4 + 5 + 619 + 5 + 0 + 0 + 3 + 8 + 12 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1196331639 + ... + 1196453217.

Almost surely, 2145456195003812 is an apocalyptic number.

145456195003812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145456195003812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (233302327156080).

145456195003812 is an abundant number, since it is smaller than the sum of its proper divisors (321148459308348).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145456195003812 is a wasteful number, since it uses less digits than its factorization.

145456195003812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183271 (or 183259 counting only the distinct ones).

The product of its (nonzero) digits is 5184000, while the sum is 54.

The spelling of 145456195003812 in words is "one hundred forty-five trillion, four hundred fifty-six billion, one hundred ninety-five million, three thousand, eight hundred twelve".