45406439 has 16 divisors (see below), whose sum is σ = 54032832. Its totient is φ = 37728768.

The previous prime is 45406423. The next prime is 45406453. The reversal of 45406439 is 93460454.

It is a cyclic number.

It is not a de Polignac number, because 45406439 - 2⁴ = 45406423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45406399 and 45406408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45406139) 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, 617 + ... + 9549.

It is an arithmetic number, because the mean of its divisors is an integer number (3377052).

Almost surely, 2^45406439 is an apocalyptic number.

45406439 is a deficient number, since it is larger than the sum of its proper divisors (8626393).

45406439 is a wasteful number, since it uses less digits than its factorization.

45406439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8986.

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 45406439 is about 6738.4300100246. The cubic root of 45406439 is about 356.7569819129.

The spelling of 45406439 in words is "forty-five million, four hundred six thousand, four hundred thirty-nine".