45607409 has 4 divisors (see below), whose sum is σ = 45624804. Its totient is φ = 45590016.

The previous prime is 45607381. The next prime is 45607433. The reversal of 45607409 is 90470654.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 43930384 + 1677025 = 6628^2 + 1295^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45607409 is a prime.

It is a super-3 number, since 3×45607409³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (45607109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3872 + ... + 10305.

It is an arithmetic number, because the mean of its divisors is an integer number (11406201).

Almost surely, 2^45607409 is an apocalyptic number.

It is an amenable number.

45607409 is a deficient number, since it is larger than the sum of its proper divisors (17395).

45607409 is a wasteful number, since it uses less digits than its factorization.

45607409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17394.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 45607409 is about 6753.3257732765. The cubic root of 45607409 is about 357.2825456387.

The spelling of 45607409 in words is "forty-five million, six hundred seven thousand, four hundred nine".