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145250 = 253783
BaseRepresentation
bin100011011101100010
321101020122
4203131202
514122000
63040242
71143320
oct433542
9241218
10145250
119a146
1270082
1351161
143ad10
152d085
hex23762

145250 has 32 divisors (see below), whose sum is σ = 314496. Its totient is φ = 49200.

The previous prime is 145219. The next prime is 145253. The reversal of 145250 is 52541.

145250 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (145253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1709 + ... + 1791.

It is an arithmetic number, because the mean of its divisors is an integer number (9828).

2145250 is an apocalyptic number.

145250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145250 is an abundant number, since it is smaller than the sum of its proper divisors (169246).

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

145250 is an equidigital number, since it uses as much as digits as its factorization.

145250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107 (or 97 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 145250 is about 381.1167800032. The cubic root of 145250 is about 52.5660544230.

Adding to 145250 its reverse (52541), we get a palindrome (197791).

The spelling of 145250 in words is "one hundred forty-five thousand, two hundred fifty".

Divisors: 1 2 5 7 10 14 25 35 50 70 83 125 166 175 250 350 415 581 830 875 1162 1750 2075 2905 4150 5810 10375 14525 20750 29050 72625 145250