45531305 has 16 divisors (see below), whose sum is σ = 57099600. Its totient is φ = 34809600.

The previous prime is 45531301. The next prime is 45531307. The reversal of 45531305 is 50313554.

It can be written as a sum of positive squares in 8 ways, for example, as 157609 + 45373696 = 397^2 + 6736^2 .

It is not a de Polignac number, because 45531305 - 2² = 45531301 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45531301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13091 + ... + 16199.

It is an arithmetic number, because the mean of its divisors is an integer number (3568725).

Almost surely, 2^45531305 is an apocalyptic number.

It is an amenable number.

45531305 is a deficient number, since it is larger than the sum of its proper divisors (11568295).

45531305 is a wasteful number, since it uses less digits than its factorization.

45531305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3244.

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 45531305 is about 6747.6888636036. The cubic root of 45531305 is about 357.0837053654.

Adding to 45531305 its reverse (50313554), we get a palindrome (95844859).

The spelling of 45531305 in words is "forty-five million, five hundred thirty-one thousand, three hundred five".