45002623 has 2 divisors, whose sum is σ = 45002624. Its totient is φ = 45002622.

The previous prime is 45002611. The next prime is 45002677. The reversal of 45002623 is 32620054.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45002623 - 2⁵ = 45002591 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45002594 and 45002603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45002603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22501311 + 22501312.

It is an arithmetic number, because the mean of its divisors is an integer number (22501312).

Almost surely, 2^45002623 is an apocalyptic number.

45002623 is a deficient number, since it is larger than the sum of its proper divisors (1).

45002623 is an equidigital number, since it uses as much as digits as its factorization.

45002623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 45002623 is about 6708.3994365273. The cubic root of 45002623 is about 355.6962412267.

Adding to 45002623 its reverse (32620054), we get a palindrome (77622677).

The spelling of 45002623 in words is "forty-five million, two thousand, six hundred twenty-three".