45431338 has 16 divisors (see below), whose sum is σ = 70982784. Its totient is φ = 21787920.

The previous prime is 45431333. The next prime is 45431341. The reversal of 45431338 is 83313454.

45431338 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (45431333) 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, 931 + ... + 9577.

It is an arithmetic number, because the mean of its divisors is an integer number (4436424).

Almost surely, 2^45431338 is an apocalyptic number.

45431338 is a deficient number, since it is larger than the sum of its proper divisors (25551446).

45431338 is a wasteful number, since it uses less digits than its factorization.

45431338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8757.

The product of its digits is 17280, while the sum is 31.

The square root of 45431338 is about 6740.2772939991. The cubic root of 45431338 is about 356.8221802204.

The spelling of 45431338 in words is "forty-five million, four hundred thirty-one thousand, three hundred thirty-eight".