45434340 has 144 divisors (see below), whose sum is σ = 159449472. Its totient is φ = 10257408.

The previous prime is 45434327. The next prime is 45434341. The reversal of 45434340 is 4343454.

45434340 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 (45434341) 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 47 ways as a sum of consecutive naturals, for example, 134652 + ... + 134988.

It is an arithmetic number, because the mean of its divisors is an integer number (1107288).

Almost surely, 2^45434340 is an apocalyptic number.

It is a pronic number, being equal to 6740×6741.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45434340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79724736).

45434340 is an abundant number, since it is smaller than the sum of its proper divisors (114015132).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45434340 is a wasteful number, since it uses less digits than its factorization.

45434340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466 (or 461 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

The square root of 45434340 is about 6740.4999814554. The cubic root of 45434340 is about 356.8300393814.

Adding to 45434340 its reverse (4343454), we get a palindrome (49777794).

The spelling of 45434340 in words is "forty-five million, four hundred thirty-four thousand, three hundred forty".