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45209045 = 575921893
BaseRepresentation
bin1010110001110…
…1010111010101
310011001212011002
42230131113111
543033142140
64252553045
71056161540
oct254352725
9104055132
1045209045
1123579252
1213182785
13949b81b
14600b857
153e80415
hex2b1d5d5

45209045 has 16 divisors (see below), whose sum is σ = 63054720. Its totient is φ = 30473664.

The previous prime is 45209027. The next prime is 45209051. The reversal of 45209045 is 54090254.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 45209045 - 26 = 45208981 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45208999 and 45209017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8882 + ... + 13011.

It is an arithmetic number, because the mean of its divisors is an integer number (3940920).

Almost surely, 245209045 is an apocalyptic number.

It is an amenable number.

45209045 is a deficient number, since it is larger than the sum of its proper divisors (17845675).

45209045 is a wasteful number, since it uses less digits than its factorization.

45209045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21964.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 45209045 is about 6723.7671732445. The cubic root of 45209045 is about 356.2392581146.

Adding to 45209045 its reverse (54090254), we get a palindrome (99299299).

The spelling of 45209045 in words is "forty-five million, two hundred nine thousand, forty-five".

Divisors: 1 5 7 35 59 295 413 2065 21893 109465 153251 766255 1291687 6458435 9041809 45209045