45343561 has 4 divisors (see below), whose sum is σ = 45393300. Its totient is φ = 45293824.

The previous prime is 45343553. The next prime is 45343589. The reversal of 45343561 is 16534354.

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 6405961 + 38937600 = 2531^2 + 6240^2 .

It is a cyclic number.

It is not a de Polignac number, because 45343561 - 2³ = 45343553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45344561) 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, 23476 + ... + 25333.

It is an arithmetic number, because the mean of its divisors is an integer number (11348325).

Almost surely, 2^45343561 is an apocalyptic number.

It is an amenable number.

45343561 is a deficient number, since it is larger than the sum of its proper divisors (49739).

45343561 is an equidigital number, since it uses as much as digits as its factorization.

45343561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49738.

The product of its digits is 21600, while the sum is 31.

The square root of 45343561 is about 6733.7627668340. The cubic root of 45343561 is about 356.5922290091.

The spelling of 45343561 in words is "forty-five million, three hundred forty-three thousand, five hundred sixty-one".