45438136 has 32 divisors (see below), whose sum is σ = 86676480. Its totient is φ = 22328800.

The previous prime is 45438131. The next prime is 45438137. The reversal of 45438136 is 63183454.

It is a happy number.

45438136 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 (45438131) 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, 200055 + ... + 200281.

It is an arithmetic number, because the mean of its divisors is an integer number (2708640).

Almost surely, 2^45438136 is an apocalyptic number.

It is an amenable number.

45438136 is a deficient number, since it is larger than the sum of its proper divisors (41238344).

45438136 is a wasteful number, since it uses less digits than its factorization.

45438136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555 (or 551 counting only the distinct ones).

The product of its digits is 34560, while the sum is 34.

The square root of 45438136 is about 6740.7815570600. The cubic root of 45438136 is about 356.8399767188.

The spelling of 45438136 in words is "forty-five million, four hundred thirty-eight thousand, one hundred thirty-six".