Search a number
-
+
145554255600 = 243521337252173
BaseRepresentation
bin1000011110001110110…
…1011010111011110000
3111220200221000022001120
42013203231122323300
54341043342134400
6150511112502240
713341653521215
oct2074355327360
9456627008046
10145554255600
1156802645626
12242619aa980
13109584c1080
14708b169b0c
153bbd65bca0
hex21e3b5aef0

145554255600 has 240 divisors, whose sum is σ = 515697847392. Its totient is φ = 34860257280.

The previous prime is 145554255593. The next prime is 145554255601. The reversal of 145554255600 is 6552455541.

It is a tau number, because it is divible by the number of its divisors (240).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145554255601) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 451114 + ... + 703286.

Almost surely, 2145554255600 is an apocalyptic number.

145554255600 is a gapful number since it is divisible by the number (10) 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 145554255600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (257848923696).

145554255600 is an abundant number, since it is smaller than the sum of its proper divisors (370143591792).

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

145554255600 is a wasteful number, since it uses less digits than its factorization.

145554255600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252244 (or 252233 counting only the distinct ones).

The product of its (nonzero) digits is 600000, while the sum is 42.

The spelling of 145554255600 in words is "one hundred forty-five billion, five hundred fifty-four million, two hundred fifty-five thousand, six hundred".