45438437 has 16 divisors (see below), whose sum is σ = 51399360. Its totient is φ = 39811200.

The previous prime is 45438431. The next prime is 45438439. The reversal of 45438437 is 73483454.

It is not a de Polignac number, because 45438437 - 2¹² = 45434341 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45438437.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45438431) 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, 33737 + ... + 35057.

It is an arithmetic number, because the mean of its divisors is an integer number (3212460).

Almost surely, 2^45438437 is an apocalyptic number.

It is an amenable number.

45438437 is a deficient number, since it is larger than the sum of its proper divisors (5960923).

45438437 is a wasteful number, since it uses less digits than its factorization.

45438437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1444.

The product of its digits is 161280, while the sum is 38.

The square root of 45438437 is about 6740.8038838109. The cubic root of 45438437 is about 356.8407646663.

The spelling of 45438437 in words is "forty-five million, four hundred thirty-eight thousand, four hundred thirty-seven".