45307505 has 8 divisors (see below), whose sum is σ = 54566952. Its totient is φ = 36114048.

The previous prime is 45307487. The next prime is 45307511. The reversal of 45307505 is 50570354.

It can be written as a sum of positive squares in 4 ways, for example, as 1098304 + 44209201 = 1048^2 + 6649^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 45307505 - 2⁶ = 45307441 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14972 + ... + 17741.

It is an arithmetic number, because the mean of its divisors is an integer number (6820869).

Almost surely, 2^45307505 is an apocalyptic number.

It is an amenable number.

45307505 is a deficient number, since it is larger than the sum of its proper divisors (9259447).

45307505 is a wasteful number, since it uses less digits than its factorization.

45307505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32995.

The product of its (nonzero) digits is 10500, while the sum is 29.

The square root of 45307505 is about 6731.0849794071. The cubic root of 45307505 is about 356.4976863768.

Adding to 45307505 its reverse (50570354), we get a palindrome (95877859).

The spelling of 45307505 in words is "forty-five million, three hundred seven thousand, five hundred five".