45240623 has 2 divisors, whose sum is σ = 45240624. Its totient is φ = 45240622.

The previous prime is 45240619. The next prime is 45240647. The reversal of 45240623 is 32604254.

45240623 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45240623 - 2² = 45240619 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45240592 and 45240601.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45240523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22620311 + 22620312.

It is an arithmetic number, because the mean of its divisors is an integer number (22620312).

Almost surely, 2^45240623 is an apocalyptic number.

45240623 is a deficient number, since it is larger than the sum of its proper divisors (1).

45240623 is an equidigital number, since it uses as much as digits as its factorization.

45240623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 45240623 is about 6726.1150005036. The cubic root of 45240623 is about 356.3221818240.

Adding to 45240623 its reverse (32604254), we get a palindrome (77844877).

The spelling of 45240623 in words is "forty-five million, two hundred forty thousand, six hundred twenty-three".