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145220452348 = 2236305113087
BaseRepresentation
bin1000011100111111010…
…0000011111111111100
3111212211122220100002011
42013033310003333330
54334402413433343
6150414030141004
713330461322666
oct2071764037774
9455748810064
10145220452348
1156651183274
122418a051764
13109042b915a
147058ab7536
153b9e1c229d
hex21cfd03ffc

145220452348 has 6 divisors (see below), whose sum is σ = 254135791616. Its totient is φ = 72610226172.

The previous prime is 145220452343. The next prime is 145220452379. The reversal of 145220452348 is 843254022541.

It is a self number, because there is not a number n which added to its sum of digits gives 145220452348.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145220452343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18152556540 + ... + 18152556547.

Almost surely, 2145220452348 is an apocalyptic number.

It is an amenable number.

145220452348 is a deficient number, since it is larger than the sum of its proper divisors (108915339268).

145220452348 is a wasteful number, since it uses less digits than its factorization.

145220452348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36305113091 (or 36305113089 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 40.

Adding to 145220452348 its reverse (843254022541), we get a palindrome (988474474889).

The spelling of 145220452348 in words is "one hundred forty-five billion, two hundred twenty million, four hundred fifty-two thousand, three hundred forty-eight".

Divisors: 1 2 4 36305113087 72610226174 145220452348