45039790 has 16 divisors (see below), whose sum is σ = 81158112. Its totient is φ = 17996704.

The previous prime is 45039769. The next prime is 45039793. The reversal of 45039790 is 9793054.

45039790 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45039793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11007 + ... + 14533.

It is an arithmetic number, because the mean of its divisors is an integer number (5072382).

Almost surely, 2^45039790 is an apocalyptic number.

45039790 is a deficient number, since it is larger than the sum of its proper divisors (36118322).

45039790 is a wasteful number, since it uses less digits than its factorization.

45039790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4811.

The product of its (nonzero) digits is 34020, while the sum is 37.

The square root of 45039790 is about 6711.1690486829. The cubic root of 45039790 is about 355.7941357014.

The spelling of 45039790 in words is "forty-five million, thirty-nine thousand, seven hundred ninety".