45538249 has 8 divisors (see below), whose sum is σ = 46752552. Its totient is φ = 44328960.

The previous prime is 45538217. The next prime is 45538267. The reversal of 45538249 is 94283554.

It can be written as a sum of positive squares in 4 ways, for example, as 915849 + 44622400 = 957^2 + 6680^2 .

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 45538249 - 2⁵ = 45538217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45538279) 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, 23377 + ... + 25249.

It is an arithmetic number, because the mean of its divisors is an integer number (5844069).

Almost surely, 2^45538249 is an apocalyptic number.

It is an amenable number.

45538249 is a deficient number, since it is larger than the sum of its proper divisors (1214303).

45538249 is a wasteful number, since it uses less digits than its factorization.

45538249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2507.

The product of its digits is 172800, while the sum is 40.

The square root of 45538249 is about 6748.2033905329. The cubic root of 45538249 is about 357.1018574420.

The spelling of 45538249 in words is "forty-five million, five hundred thirty-eight thousand, two hundred forty-nine".