45209441 has 8 divisors (see below), whose sum is σ = 46275840. Its totient is φ = 44147488.

The previous prime is 45209413. The next prime is 45209453. The reversal of 45209441 is 14490254.

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 45209441 - 2¹⁸ = 44947297 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (45209401) 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, 28220 + ... + 29778.

It is an arithmetic number, because the mean of its divisors is an integer number (5784480).

Almost surely, 2^45209441 is an apocalyptic number.

It is an amenable number.

45209441 is a deficient number, since it is larger than the sum of its proper divisors (1066399).

45209441 is a wasteful number, since it uses less digits than its factorization.

45209441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2223.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 45209441 is about 6723.7966209575. The cubic root of 45209441 is about 356.2402982482.

Adding to 45209441 its reverse (14490254), we get a palindrome (59699695).

The spelling of 45209441 in words is "forty-five million, two hundred nine thousand, four hundred forty-one".