45229809 has 8 divisors (see below), whose sum is σ = 63853920. Its totient is φ = 28379456.

The previous prime is 45229801. The next prime is 45229817. The reversal of 45229809 is 90892254.

45229809 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (45229801) and next prime (45229817).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45229809 - 2³ = 45229801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45229801) 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 in 7 ways as a sum of consecutive naturals, for example, 443379 + ... + 443480.

It is an arithmetic number, because the mean of its divisors is an integer number (7981740).

Almost surely, 2^45229809 is an apocalyptic number.

It is an amenable number.

45229809 is a deficient number, since it is larger than the sum of its proper divisors (18624111).

45229809 is a wasteful number, since it uses less digits than its factorization.

45229809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 886879.

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 45229809 is about 6725.3110708725. The cubic root of 45229809 is about 356.2937886464.

The spelling of 45229809 in words is "forty-five million, two hundred twenty-nine thousand, eight hundred nine".