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145053214 = 2174266271
BaseRepresentation
bin10001010010101…
…01011000011110
3101002221110121021
420221111120132
5244113200324
622220554354
73410634445
oct1051253036
9332843537
10145053214
1174973699
12406b29ba
1324089407
141539bd5c
15cb03ae4
hex8a5561e

145053214 has 8 divisors (see below), whose sum is σ = 230378688. Its totient is φ = 68260320.

The previous prime is 145053193. The next prime is 145053229. The reversal of 145053214 is 412350541.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2133102 + ... + 2133169.

It is an arithmetic number, because the mean of its divisors is an integer number (28797336).

Almost surely, 2145053214 is an apocalyptic number.

145053214 is a deficient number, since it is larger than the sum of its proper divisors (85325474).

145053214 is a wasteful number, since it uses less digits than its factorization.

145053214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4266290.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 145053214 is about 12043.8039671858. The cubic root of 145053214 is about 525.4230470729.

The spelling of 145053214 in words is "one hundred forty-five million, fifty-three thousand, two hundred fourteen".

Divisors: 1 2 17 34 4266271 8532542 72526607 145053214