45609034 has 4 divisors (see below), whose sum is σ = 68413554. Its totient is φ = 22804516.

The previous prime is 45609017. The next prime is 45609037. The reversal of 45609034 is 43090654.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43090654 = 2 ⋅21545327.

It can be written as a sum of positive squares in only one way, i.e., 45522009 + 87025 = 6747^2 + 295^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 45608987 and 45609005.

It is not an unprimeable number, because it can be changed into a prime (45609037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11402257 + ... + 11402260.

Almost surely, 2^45609034 is an apocalyptic number.

45609034 is a deficient number, since it is larger than the sum of its proper divisors (22804520).

45609034 is a wasteful number, since it uses less digits than its factorization.

45609034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22804519.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 45609034 is about 6753.4460832970. The cubic root of 45609034 is about 357.2867889350.

Adding to 45609034 its reverse (43090654), we get a palindrome (88699688).

The spelling of 45609034 in words is "forty-five million, six hundred nine thousand, thirty-four".