45144015 has 16 divisors (see below), whose sum is σ = 82549248. Its totient is φ = 20637216.

The previous prime is 45144007. The next prime is 45144059. The reversal of 45144015 is 51044154.

It is a happy number.

It is not a de Polignac number, because 45144015 - 2³ = 45144007 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 214867 + ... + 215076.

It is an arithmetic number, because the mean of its divisors is an integer number (5159328).

Almost surely, 2^45144015 is an apocalyptic number.

45144015 is a deficient number, since it is larger than the sum of its proper divisors (37405233).

45144015 is a wasteful number, since it uses less digits than its factorization.

45144015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429958.

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 45144015 is about 6718.9296022506. The cubic root of 45144015 is about 356.0683678609.

Adding to 45144015 its reverse (51044154), we get a palindrome (96188169).

The spelling of 45144015 in words is "forty-five million, one hundred forty-four thousand, fifteen".