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2145230153 = 111711471819
BaseRepresentation
bin111111111011101…
…1001110101001001
312112111121222112122
41333313121311021
513343134331103
6552511421025
7104106104213
oct17767316511
95474558478
102145230153
11a00a21190
124ba524775
13282596171
14164ca15b3
15c84edb38
hex7fdd9d49

2145230153 has 8 divisors (see below), whose sum is σ = 2477913120. Its totient is φ = 1835490880.

The previous prime is 2145230111. The next prime is 2145230159. The reversal of 2145230153 is 3510325412.

It is a happy number.

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 2145230153 - 210 = 2145229129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2145230159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5735723 + ... + 5736096.

It is an arithmetic number, because the mean of its divisors is an integer number (309739140).

Almost surely, 22145230153 is an apocalyptic number.

It is an amenable number.

2145230153 is a deficient number, since it is larger than the sum of its proper divisors (332682967).

2145230153 is a wasteful number, since it uses less digits than its factorization.

2145230153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11471847.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 2145230153 is about 46316.6293354773. The cubic root of 2145230153 is about 1289.7077143616.

Adding to 2145230153 its reverse (3510325412), we get a palindrome (5655555565).

The spelling of 2145230153 in words is "two billion, one hundred forty-five million, two hundred thirty thousand, one hundred fifty-three".

Divisors: 1 11 17 187 11471819 126190009 195020923 2145230153