45619369 has 2 divisors, whose sum is σ = 45619370. Its totient is φ = 45619368.

The previous prime is 45619367. The next prime is 45619393. The reversal of 45619369 is 96391654.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37063744 + 8555625 = 6088^2 + 2925^2 .

It is a cyclic number.

It is not a de Polignac number, because 45619369 - 2¹ = 45619367 is a prime.

It is a super-2 number, since 2×45619369² = 4162253655916322, which contains 22 as substring.

Together with 45619367, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (45619363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22809684 + 22809685.

It is an arithmetic number, because the mean of its divisors is an integer number (22809685).

Almost surely, 2^45619369 is an apocalyptic number.

It is an amenable number.

45619369 is a deficient number, since it is larger than the sum of its proper divisors (1).

45619369 is an equidigital number, since it uses as much as digits as its factorization.

45619369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 174960, while the sum is 43.

The square root of 45619369 is about 6754.2112048706. The cubic root of 45619369 is about 357.3137739404.

The spelling of 45619369 in words is "forty-five million, six hundred nineteen thousand, three hundred sixty-nine".