45929509 has 4 divisors (see below), whose sum is σ = 46204704. Its totient is φ = 45654316.

The previous prime is 45929503. The next prime is 45929549. The reversal of 45929509 is 90592954.

It is a happy number.

45929509 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 45929509 - 2³ = 45929501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45929501) 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 3 ways as a sum of consecutive naturals, for example, 137347 + ... + 137680.

It is an arithmetic number, because the mean of its divisors is an integer number (11551176).

Almost surely, 2^45929509 is an apocalyptic number.

It is an amenable number.

45929509 is a deficient number, since it is larger than the sum of its proper divisors (275195).

45929509 is a wasteful number, since it uses less digits than its factorization.

45929509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275194.

The product of its (nonzero) digits is 145800, while the sum is 43.

The square root of 45929509 is about 6777.1313252733. The cubic root of 45929509 is about 358.1216698896.

The spelling of 45929509 in words is "forty-five million, nine hundred twenty-nine thousand, five hundred nine".