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45553143 = 315184381
BaseRepresentation
bin1010110111000…
…1010111110111
310011201100011110
42231301113313
543130200033
64304210103
71062123666
oct255612767
9104640143
1045553143
1123793829
1213309933
13958c32c
14609addd
153eec363
hex2b715f7

45553143 has 4 divisors (see below), whose sum is σ = 60737528. Its totient is φ = 30368760.

The previous prime is 45553117. The next prime is 45553159. The reversal of 45553143 is 34135554.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 45553143 - 28 = 45552887 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45553143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45553163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7592188 + ... + 7592193.

It is an arithmetic number, because the mean of its divisors is an integer number (15184382).

Almost surely, 245553143 is an apocalyptic number.

45553143 is a deficient number, since it is larger than the sum of its proper divisors (15184385).

45553143 is a wasteful number, since it uses less digits than its factorization.

45553143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15184384.

The product of its digits is 18000, while the sum is 30.

The square root of 45553143 is about 6749.3068532998. The cubic root of 45553143 is about 357.1407851232.

Adding to 45553143 its reverse (34135554), we get a palindrome (79688697).

The spelling of 45553143 in words is "forty-five million, five hundred fifty-three thousand, one hundred forty-three".

Divisors: 1 3 15184381 45553143