45403009 has 8 divisors (see below), whose sum is σ = 47632320. Its totient is φ = 43218000.

The previous prime is 45402997. The next prime is 45403013. The reversal of 45403009 is 90030454.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45403009 is a prime.

It is a super-2 number, since 2×45403009² = 4122866452508162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45403049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8967 + ... + 13084.

It is an arithmetic number, because the mean of its divisors is an integer number (5954040).

Almost surely, 2^45403009 is an apocalyptic number.

It is an amenable number.

45403009 is a deficient number, since it is larger than the sum of its proper divisors (2229311).

45403009 is a wasteful number, since it uses less digits than its factorization.

45403009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22151.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 45403009 is about 6738.1754948947. The cubic root of 45403009 is about 356.7479985522.

The spelling of 45403009 in words is "forty-five million, four hundred three thousand, nine".