45339545 has 4 divisors (see below), whose sum is σ = 54407460. Its totient is φ = 36271632.

The previous prime is 45339533. The next prime is 45339583. The reversal of 45339545 is 54593354.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54593354 = 2 ⋅27296677.

It can be written as a sum of positive squares in 2 ways, for example, as 29626249 + 15713296 = 5443^2 + 3964^2 .

It is a cyclic number.

It is not a de Polignac number, because 45339545 - 2¹⁰ = 45338521 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 45339499 and 45339508.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4533950 + ... + 4533959.

It is an arithmetic number, because the mean of its divisors is an integer number (13601865).

Almost surely, 2^45339545 is an apocalyptic number.

It is an amenable number.

45339545 is a deficient number, since it is larger than the sum of its proper divisors (9067915).

45339545 is an equidigital number, since it uses as much as digits as its factorization.

45339545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9067914.

The product of its digits is 162000, while the sum is 38.

The square root of 45339545 is about 6733.4645614275. The cubic root of 45339545 is about 356.5817011146.

The spelling of 45339545 in words is "forty-five million, three hundred thirty-nine thousand, five hundred forty-five".