45209834 has 8 divisors (see below), whose sum is σ = 71803908. Its totient is φ = 21275200.

The previous prime is 45209833. The next prime is 45209837. The reversal of 45209834 is 43890254.

It can be written as a sum of positive squares in 2 ways, for example, as 35581225 + 9628609 = 5965^2 + 3103^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 45209794 and 45209803.

It is not an unprimeable number, because it can be changed into a prime (45209833) 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, 664817 + ... + 664884.

Almost surely, 2^45209834 is an apocalyptic number.

45209834 is a deficient number, since it is larger than the sum of its proper divisors (26594074).

45209834 is a wasteful number, since it uses less digits than its factorization.

45209834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1329720.

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 45209834 is about 6723.8258454544. The cubic root of 45209834 is about 356.2413304959.

The spelling of 45209834 in words is "forty-five million, two hundred nine thousand, eight hundred thirty-four".