Search a number
-
+
145820301 = 3114418797
BaseRepresentation
bin10001011000100…
…00101010001101
3101011101102211220
420230100222031
5244312222201
622245233553
73420311034
oct1054205215
9334342756
10145820301
1175347a50
1240a028b9
1324297603
141551b71b
15cc06036
hex8b10a8d

145820301 has 8 divisors (see below), whose sum is σ = 212102304. Its totient is φ = 88375920.

The previous prime is 145820291. The next prime is 145820303. The reversal of 145820301 is 103028541.

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

It is not a de Polignac number, because 145820301 - 213 = 145812109 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145820303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2209366 + ... + 2209431.

It is an arithmetic number, because the mean of its divisors is an integer number (26512788).

Almost surely, 2145820301 is an apocalyptic number.

145820301 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

145820301 is a deficient number, since it is larger than the sum of its proper divisors (66282003).

145820301 is a wasteful number, since it uses less digits than its factorization.

145820301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4418811.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 145820301 is about 12075.6076865721. The cubic root of 145820301 is about 526.3476199274.

Adding to 145820301 its reverse (103028541), we get a palindrome (248848842).

The spelling of 145820301 in words is "one hundred forty-five million, eight hundred twenty thousand, three hundred one".

Divisors: 1 3 11 33 4418797 13256391 48606767 145820301