45540245 has 8 divisors (see below), whose sum is σ = 57524640. Its totient is φ = 34514640.

The previous prime is 45540233. The next prime is 45540251. The reversal of 45540245 is 54204554.

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

It is a de Polignac number, because none of the positive numbers 2^k-45540245 is a prime.

It is a super-3 number, since 3×45540245³ (a number of 24 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent 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, 239591 + ... + 239780.

It is an arithmetic number, because the mean of its divisors is an integer number (7190580).

Almost surely, 2^45540245 is an apocalyptic number.

It is an amenable number.

45540245 is a deficient number, since it is larger than the sum of its proper divisors (11984395).

45540245 is a wasteful number, since it uses less digits than its factorization.

45540245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479395.

The product of its (nonzero) digits is 16000, while the sum is 29.

The square root of 45540245 is about 6748.3512801276. The cubic root of 45540245 is about 357.1070747770.

Adding to 45540245 its reverse (54204554), we get a palindrome (99744799).

The spelling of 45540245 in words is "forty-five million, five hundred forty thousand, two hundred forty-five".