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145450214 = 27131037759
BaseRepresentation
bin10001010101101…
…10010011100110
3101010200122011222
420222312103212
5244213401324
622233300342
73414210050
oct1052662346
9333618158
10145450214
1175114998
12408646b2
1324198020
14154628d0
15cb8155e
hex8ab64e6

145450214 has 32 divisors (see below), whose sum is σ = 271165440. Its totient is φ = 56974752.

The previous prime is 145450213. The next prime is 145450241. The reversal of 145450214 is 412054541.

145450214 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145450213) 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, 14867 + ... + 22625.

It is an arithmetic number, because the mean of its divisors is an integer number (8473920).

Almost surely, 2145450214 is an apocalyptic number.

145450214 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

145450214 is a deficient number, since it is larger than the sum of its proper divisors (125715226).

145450214 is a wasteful number, since it uses less digits than its factorization.

145450214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7884.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 145450214 is about 12060.2742091546. The cubic root of 145450214 is about 525.9019585279.

The spelling of 145450214 in words is "one hundred forty-five million, four hundred fifty thousand, two hundred fourteen".

Divisors: 1 2 7 13 14 26 91 103 182 206 721 1339 1442 2678 7759 9373 15518 18746 54313 100867 108626 201734 706069 799177 1412138 1598354 5594239 10389301 11188478 20778602 72725107 145450214