45413440 has 28 divisors (see below), whose sum is σ = 108141516. Its totient is φ = 18165248.

The previous prime is 45413437. The next prime is 45413441. The reversal of 45413440 is 4431454.

It can be written as a sum of positive squares in 2 ways, for example, as 18870336 + 26543104 = 4344^2 + 5152^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45413441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70639 + ... + 71278.

It is an arithmetic number, because the mean of its divisors is an integer number (3862197).

Almost surely, 2^45413440 is an apocalyptic number.

45413440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45413440 is an abundant number, since it is smaller than the sum of its proper divisors (62728076).

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

45413440 is a wasteful number, since it uses less digits than its factorization.

45413440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141934 (or 141924 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 45413440 is about 6738.9494730262. The cubic root of 45413440 is about 356.7753165172.

Adding to 45413440 its reverse (4431454), we get a palindrome (49844894).

The spelling of 45413440 in words is "forty-five million, four hundred thirteen thousand, four hundred forty".