Search a number
-
+
145250303 = 1137335401
BaseRepresentation
bin10001010100001…
…01011111111111
3101010022110221212
420222011133333
5244141002203
622225115035
73412415162
oct1052053777
9333273855
10145250303
1174a98780
1240788a7b
1324128033
141540dad9
15cb421d8
hex8a857ff

145250303 has 8 divisors (see below), whose sum is σ = 158884176. Its totient is φ = 131688000.

The previous prime is 145250297. The next prime is 145250321. The reversal of 145250303 is 303052541.

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 145250303 - 212 = 145246207 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145250393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13598 + ... + 21803.

It is an arithmetic number, because the mean of its divisors is an integer number (19860522).

Almost surely, 2145250303 is an apocalyptic number.

145250303 is a deficient number, since it is larger than the sum of its proper divisors (13633873).

145250303 is a wasteful number, since it uses less digits than its factorization.

145250303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35785.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 145250303 is about 12051.9833637456. The cubic root of 145250303 is about 525.6609097489.

The spelling of 145250303 in words is "one hundred forty-five million, two hundred fifty thousand, three hundred three".

Divisors: 1 11 373 4103 35401 389411 13204573 145250303