45045245 has 8 divisors (see below), whose sum is σ = 61776384. Its totient is φ = 30888144.

The previous prime is 45045241. The next prime is 45045251. The reversal of 45045245 is 54254054.

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

It is not a de Polignac number, because 45045245 - 2² = 45045241 is a prime.

It is a super-2 number, since 2×45045245² = 4058148194220050, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45045241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 643469 + ... + 643538.

It is an arithmetic number, because the mean of its divisors is an integer number (7722048).

Almost surely, 2^45045245 is an apocalyptic number.

It is an amenable number.

45045245 is a deficient number, since it is larger than the sum of its proper divisors (16731139).

45045245 is a wasteful number, since it uses less digits than its factorization.

45045245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1287019.

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

The square root of 45045245 is about 6711.5754484324. The cubic root of 45045245 is about 355.8084991392.

Adding to 45045245 its reverse (54254054), we get a palindrome (99299299).

The spelling of 45045245 in words is "forty-five million, forty-five thousand, two hundred forty-five".