45429909 has 24 divisors (see below), whose sum is σ = 70862400. Its totient is φ = 25812864.

The previous prime is 45429889. The next prime is 45429919. The reversal of 45429909 is 90992454.

45429909 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 45429909 - 2¹² = 45425813 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45429919) 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 23 ways as a sum of consecutive naturals, for example, 28477 + ... + 30029.

It is an arithmetic number, because the mean of its divisors is an integer number (2952600).

Almost surely, 2^45429909 is an apocalyptic number.

45429909 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

45429909 is a deficient number, since it is larger than the sum of its proper divisors (25432491).

45429909 is a wasteful number, since it uses less digits than its factorization.

45429909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1769 (or 1762 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 42.

The square root of 45429909 is about 6740.1712886246. The cubic root of 45429909 is about 356.8184390125.

The spelling of 45429909 in words is "forty-five million, four hundred twenty-nine thousand, nine hundred nine".