45323261 has 4 divisors (see below), whose sum is σ = 46548252. Its totient is φ = 44098272.

The previous prime is 45323251. The next prime is 45323279. The reversal of 45323261 is 16232354.

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 40005625 + 5317636 = 6325^2 + 2306^2 .

It is a cyclic number.

It is not a de Polignac number, because 45323261 - 2¹⁰ = 45322237 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45323261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45323251) 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, 612440 + ... + 612513.

It is an arithmetic number, because the mean of its divisors is an integer number (11637063).

Almost surely, 2^45323261 is an apocalyptic number.

It is an amenable number.

45323261 is a deficient number, since it is larger than the sum of its proper divisors (1224991).

45323261 is a wasteful number, since it uses less digits than its factorization.

45323261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1224990.

The product of its digits is 4320, while the sum is 26.

The square root of 45323261 is about 6732.2552684817. The cubic root of 45323261 is about 356.5390064374.

The spelling of 45323261 in words is "forty-five million, three hundred twenty-three thousand, two hundred sixty-one".