45345240 has 48 divisors (see below), whose sum is σ = 147373200. Its totient is φ = 12091968.

The previous prime is 45345197. The next prime is 45345247. The reversal of 45345240 is 4254354.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45345247) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62620 + ... + 63339.

It is an arithmetic number, because the mean of its divisors is an integer number (3070275).

Almost surely, 2^45345240 is an apocalyptic number.

45345240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45345240 is an abundant number, since it is smaller than the sum of its proper divisors (102027960).

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

45345240 is a wasteful number, since it uses less digits than its factorization.

45345240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125976 (or 125969 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 45345240 is about 6733.8874359466. The cubic root of 45345240 is about 356.5966303026.

Adding to 45345240 its reverse (4254354), we get a palindrome (49599594).

The spelling of 45345240 in words is "forty-five million, three hundred forty-five thousand, two hundred forty".