45744540 has 24 divisors (see below), whose sum is σ = 128084880. Its totient is φ = 12198528.

The previous prime is 45744527. The next prime is 45744541. The reversal of 45744540 is 4544754.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45744541) by changing a digit.

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, 381145 + ... + 381264.

It is an arithmetic number, because the mean of its divisors is an integer number (5336870).

Almost surely, 2^45744540 is an apocalyptic number.

It is an amenable number.

45744540 is an abundant number, since it is smaller than the sum of its proper divisors (82340340).

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

45744540 is a wasteful number, since it uses less digits than its factorization.

45744540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 762421 (or 762419 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 33.

The square root of 45744540 is about 6763.4710023774. The cubic root of 45744540 is about 357.6402761816.

The spelling of 45744540 in words is "forty-five million, seven hundred forty-four thousand, five hundred forty".