45244015 has 4 divisors (see below), whose sum is σ = 54292824. Its totient is φ = 36195208.

The previous prime is 45243983. The next prime is 45244019. The reversal of 45244015 is 51044254.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45244015 - 2⁵ = 45243983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45244019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4524397 + ... + 4524406.

It is an arithmetic number, because the mean of its divisors is an integer number (13573206).

Almost surely, 2^45244015 is an apocalyptic number.

45244015 is a deficient number, since it is larger than the sum of its proper divisors (9048809).

45244015 is an equidigital number, since it uses as much as digits as its factorization.

45244015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9048808.

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 45244015 is about 6726.3671472794. The cubic root of 45244015 is about 356.3310869080.

Adding to 45244015 its reverse (51044254), we get a palindrome (96288269).

The spelling of 45244015 in words is "forty-five million, two hundred forty-four thousand, fifteen".