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2442145 = 51094481
BaseRepresentation
bin1001010100001110100001
311121001222211
421110032201
51111122040
6124202121
726520646
oct11241641
94531884
102442145
111418902
12999341
13676774
14477dcd
153338ea
hex2543a1

2442145 has 8 divisors (see below), whose sum is σ = 2958120. Its totient is φ = 1935360.

The previous prime is 2442133. The next prime is 2442151. The reversal of 2442145 is 5412442.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 720801 + 1721344 = 849^2 + 1312^2 .

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

It is not a de Polignac number, because 2442145 - 25 = 2442113 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1696 + ... + 2785.

It is an arithmetic number, because the mean of its divisors is an integer number (369765).

22442145 is an apocalyptic number.

It is an amenable number.

2442145 is a deficient number, since it is larger than the sum of its proper divisors (515975).

2442145 is a wasteful number, since it uses less digits than its factorization.

2442145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4595.

The product of its digits is 1280, while the sum is 22.

The square root of 2442145 is about 1562.7363821195. The cubic root of 2442145 is about 134.6657483136.

Adding to 2442145 its reverse (5412442), we get a palindrome (7854587).

The spelling of 2442145 in words is "two million, four hundred forty-two thousand, one hundred forty-five".

Divisors: 1 5 109 545 4481 22405 488429 2442145