45352240 has 40 divisors (see below), whose sum is σ = 110997360. Its totient is φ = 17185536.

The previous prime is 45352231. The next prime is 45352261. The reversal of 45352240 is 4225354.

It is a tau number, because it is divible by the number of its divisors (40).

It is a plaindrome in base 11.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13399 + ... + 16438.

It is an arithmetic number, because the mean of its divisors is an integer number (2774934).

Almost surely, 2^45352240 is an apocalyptic number.

45352240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45352240 is an abundant number, since it is smaller than the sum of its proper divisors (65645120).

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

45352240 is a wasteful number, since it uses less digits than its factorization.

45352240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29869 (or 29863 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 45352240 is about 6734.4071750972. The cubic root of 45352240 is about 356.6149787774.

Adding to 45352240 its reverse (4225354), we get a palindrome (49577594).

The spelling of 45352240 in words is "forty-five million, three hundred fifty-two thousand, two hundred forty".