45609738 has 16 divisors (see below), whose sum is σ = 92028096. Its totient is φ = 15068480.

The previous prime is 45609731. The next prime is 45609749. The reversal of 45609738 is 83790654.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 45609738.

It is not an unprimeable number, because it can be changed into a prime (45609731) 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, 32958 + ... + 34313.

It is an arithmetic number, because the mean of its divisors is an integer number (5751756).

Almost surely, 2^45609738 is an apocalyptic number.

45609738 is an abundant number, since it is smaller than the sum of its proper divisors (46418358).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45609738 is a wasteful number, since it uses less digits than its factorization.

45609738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67389.

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 45609738 is about 6753.4982046344. The cubic root of 45609738 is about 357.2886272302.

The spelling of 45609738 in words is "forty-five million, six hundred nine thousand, seven hundred thirty-eight".