45193609 has 8 divisors (see below), whose sum is σ = 48176000. Its totient is φ = 42271632.

The previous prime is 45193607. The next prime is 45193651. The reversal of 45193609 is 90639154.

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 45193609 - 2¹ = 45193607 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45193607) 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, 13554 + ... + 16555.

It is an arithmetic number, because the mean of its divisors is an integer number (6022000).

Almost surely, 2^45193609 is an apocalyptic number.

It is an amenable number.

45193609 is a deficient number, since it is larger than the sum of its proper divisors (2982391).

45193609 is a wasteful number, since it uses less digits than its factorization.

45193609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30207.

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 45193609 is about 6722.6192068271. The cubic root of 45193609 is about 356.1987091850.

It can be divided in two parts, 4519 and 3609, that added together give a triangular number (8128 = T₁₂₇).

The spelling of 45193609 in words is "forty-five million, one hundred ninety-three thousand, six hundred nine".