45305501 has 4 divisors (see below), whose sum is σ = 46530012. Its totient is φ = 44080992.

The previous prime is 45305497. The next prime is 45305503. The reversal of 45305501 is 10550354.

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 33062500 + 12243001 = 5750^2 + 3499^2 .

It is a cyclic number.

It is not a de Polignac number, because 45305501 - 2² = 45305497 is a prime.

It is a super-2 number, since 2×45305501² = 4105176841722002, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45305503) 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, 612200 + ... + 612273.

It is an arithmetic number, because the mean of its divisors is an integer number (11632503).

Almost surely, 2^45305501 is an apocalyptic number.

It is an amenable number.

45305501 is a deficient number, since it is larger than the sum of its proper divisors (1224511).

45305501 is a wasteful number, since it uses less digits than its factorization.

45305501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1224510.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 45305501 is about 6730.9361161728. The cubic root of 45305501 is about 356.4924302064.

Adding to 45305501 its reverse (10550354), we get a palindrome (55855855).

The spelling of 45305501 in words is "forty-five million, three hundred five thousand, five hundred one".