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145445415593801 = 2137154434407211
BaseRepresentation
bin100001000100100000100110…
…010101001010011101001001
3201001222110001002101020120212
4201010200212111022131021
5123030434202343000201
61233200411305330505
742431040662110241
oct4104404625123511
9631873032336525
10145445415593801
11423860663919a4
1214390367496a35
1363205a016540b
1427cb84a768b21
1511c3580788abb
hex84482654a749

145445415593801 has 8 divisors (see below), whose sum is σ = 145522931789664. Its totient is φ = 145367908247520.

The previous prime is 145445415593773. The next prime is 145445415593809. The reversal of 145445415593801 is 108395514544541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 145445415593801 - 234 = 145428235724617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145445415593809) 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, 30798086 + ... + 35205296.

It is an arithmetic number, because the mean of its divisors is an integer number (18190366473708).

Almost surely, 2145445415593801 is an apocalyptic number.

It is an amenable number.

145445415593801 is a deficient number, since it is larger than the sum of its proper divisors (77516195863).

145445415593801 is a wasteful number, since it uses less digits than its factorization.

145445415593801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4424791.

The product of its (nonzero) digits is 34560000, while the sum is 59.

The spelling of 145445415593801 in words is "one hundred forty-five trillion, four hundred forty-five billion, four hundred fifteen million, five hundred ninety-three thousand, eight hundred one".

Divisors: 1 2137 15443 4407211 33001691 9418209907 68060559473 145445415593801