45375623 has 2 divisors, whose sum is σ = 45375624. Its totient is φ = 45375622.

The previous prime is 45375613. The next prime is 45375709. The reversal of 45375623 is 32657354.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45375623 - 2⁴ = 45375607 is a prime.

It is a Sophie Germain prime.

It is equal to p_2739608 and since 45375623 and 2739608 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45375613) 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, 22687811 + 22687812.

It is an arithmetic number, because the mean of its divisors is an integer number (22687812).

Almost surely, 2^45375623 is an apocalyptic number.

45375623 is a deficient number, since it is larger than the sum of its proper divisors (1).

45375623 is an equidigital number, since it uses as much as digits as its factorization.

45375623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 75600, while the sum is 35.

The square root of 45375623 is about 6736.1430358923. The cubic root of 45375623 is about 356.6762568631.

The spelling of 45375623 in words is "forty-five million, three hundred seventy-five thousand, six hundred twenty-three".