45125040 has 40 divisors (see below), whose sum is σ = 139888368. Its totient is φ = 12033280.

The previous prime is 45125033. The next prime is 45125053. The reversal of 45125040 is 4052154.

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

It is a junction number, because it is equal to n+sod(n) for n = 45124998 and 45125016.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 93771 + ... + 94250.

Almost surely, 2^45125040 is an apocalyptic number.

45125040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45125040 is an abundant number, since it is smaller than the sum of its proper divisors (94763328).

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

45125040 is a wasteful number, since it uses less digits than its factorization.

45125040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188037 (or 188031 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 45125040 is about 6717.5173985633. The cubic root of 45125040 is about 356.0184731398.

Adding to 45125040 its reverse (4052154), we get a palindrome (49177194).

The spelling of 45125040 in words is "forty-five million, one hundred twenty-five thousand, forty".