45772540 has 24 divisors (see below), whose sum is σ = 104861232. Its totient is φ = 16644480.

The previous prime is 45772481. The next prime is 45772541. The reversal of 45772540 is 4527754.

It is a junction number, because it is equal to n+sod(n) for n = 45772496 and 45772505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45772541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103809 + ... + 104248.

It is an arithmetic number, because the mean of its divisors is an integer number (4369218).

Almost surely, 2^45772540 is an apocalyptic number.

It is an amenable number.

45772540 is an abundant number, since it is smaller than the sum of its proper divisors (59088692).

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

45772540 is a wasteful number, since it uses less digits than its factorization.

45772540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208077 (or 208075 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 34.

The square root of 45772540 is about 6765.5406288042. The cubic root of 45772540 is about 357.7132312292.

It can be divided in two parts, 4577 and 2540, that added together give a palindrome (7117).

The spelling of 45772540 in words is "forty-five million, seven hundred seventy-two thousand, five hundred forty".