45038418 has 32 divisors (see below), whose sum is σ = 92800512. Its totient is φ = 14563200.

The previous prime is 45038407. The next prime is 45038419. The reversal of 45038418 is 81483054.

It is not an unprimeable number, because it can be changed into a prime (45038419) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54448 + ... + 55268.

It is an arithmetic number, because the mean of its divisors is an integer number (2900016).

Almost surely, 2^45038418 is an apocalyptic number.

45038418 is an abundant number, since it is smaller than the sum of its proper divisors (47762094).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45038418 is a wasteful number, since it uses less digits than its factorization.

45038418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1090.

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 45038418 is about 6711.0668302439. The cubic root of 45038418 is about 355.7905229366.

Adding to 45038418 its product of nonzero digits (15360), we get a triangular number (45053778 = T₉₄₉₂).

It can be divided in two parts, 4503 and 8418, that added together give a palindrome (12921).

The spelling of 45038418 in words is "forty-five million, thirty-eight thousand, four hundred eighteen".