45340140 has 48 divisors (see below), whose sum is σ = 127249920. Its totient is φ = 12062400.

The previous prime is 45340129. The next prime is 45340151. The reversal of 45340140 is 4104354.

It is an interprime number because it is at equal distance from previous prime (45340129) and next prime (45340151).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42615 + ... + 43665.

It is an arithmetic number, because the mean of its divisors is an integer number (2651040).

Almost surely, 2^45340140 is an apocalyptic number.

It is an amenable number.

45340140 is an abundant number, since it is smaller than the sum of its proper divisors (81909780).

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

45340140 is a wasteful number, since it uses less digits than its factorization.

45340140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1782 (or 1780 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 45340140 is about 6733.5087435898. The cubic root of 45340140 is about 356.5832609390.

Adding to 45340140 its reverse (4104354), we get a palindrome (49444494).

The spelling of 45340140 in words is "forty-five million, three hundred forty thousand, one hundred forty".