45773909 has 2 divisors, whose sum is σ = 45773910. Its totient is φ = 45773908.

The previous prime is 45773899. The next prime is 45773929. The reversal of 45773909 is 90937754.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28922884 + 16851025 = 5378^2 + 4105^2 .

It is a cyclic number.

It is not a de Polignac number, because 45773909 - 2²⁰ = 44725333 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45773909.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45773929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22886954 + 22886955.

It is an arithmetic number, because the mean of its divisors is an integer number (22886955).

Almost surely, 2^45773909 is an apocalyptic number.

It is an amenable number.

45773909 is a deficient number, since it is larger than the sum of its proper divisors (1).

45773909 is an equidigital number, since it uses as much as digits as its factorization.

45773909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 238140, while the sum is 44.

The square root of 45773909 is about 6765.6418025196. The cubic root of 45773909 is about 357.7167974469.

The spelling of 45773909 in words is "forty-five million, seven hundred seventy-three thousand, nine hundred nine".