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45220037 is a prime number
BaseRepresentation
bin1010110010000…
…0000011000101
310011002102020012
42230200003011
543034020122
64253120005
71056235562
oct254400305
9104072205
1045220037
1123586535
1213189005
1394a3825
146011869
153e837e2
hex2b200c5

45220037 has 2 divisors, whose sum is σ = 45220038. Its totient is φ = 45220036.

The previous prime is 45220033. The next prime is 45220039. The reversal of 45220037 is 73002254.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45144961 + 75076 = 6719^2 + 274^2 .

It is a cyclic number.

It is not a de Polignac number, because 45220037 - 22 = 45220033 is a prime.

Together with 45220039, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 45219994 and 45220021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45220033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22610018 + 22610019.

It is an arithmetic number, because the mean of its divisors is an integer number (22610019).

Almost surely, 245220037 is an apocalyptic number.

It is an amenable number.

45220037 is a deficient number, since it is larger than the sum of its proper divisors (1).

45220037 is an equidigital number, since it uses as much as digits as its factorization.

45220037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 45220037 is about 6724.5845224817. The cubic root of 45220037 is about 356.2681274453.

The spelling of 45220037 in words is "forty-five million, two hundred twenty thousand, thirty-seven".