45009359 has 4 divisors (see below), whose sum is σ = 45025320. Its totient is φ = 44993400.

The previous prime is 45009329. The next prime is 45009379. The reversal of 45009359 is 95390054.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95390054 = 2 ⋅47695027.

It is a cyclic number.

It is not a de Polignac number, because 45009359 - 2¹² = 45005263 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 (45009329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2492 + ... + 9809.

It is an arithmetic number, because the mean of its divisors is an integer number (11256330).

Almost surely, 2^45009359 is an apocalyptic number.

45009359 is a deficient number, since it is larger than the sum of its proper divisors (15961).

45009359 is a wasteful number, since it uses less digits than its factorization.

45009359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15960.

The product of its (nonzero) digits is 24300, while the sum is 35.

The square root of 45009359 is about 6708.9014749063. The cubic root of 45009359 is about 355.7139872319.

The spelling of 45009359 in words is "forty-five million, nine thousand, three hundred fifty-nine".