45124740 has 36 divisors (see below), whose sum is σ = 136878924. Its totient is φ = 12033216.

The previous prime is 45124711. The next prime is 45124741. The reversal of 45124740 is 4742154.

It can be written as a sum of positive squares in 2 ways, for example, as 19236996 + 25887744 = 4386^2 + 5088^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (45124741) 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, 125167 + ... + 125526.

Almost surely, 2^45124740 is an apocalyptic number.

It is an amenable number.

45124740 is an abundant number, since it is smaller than the sum of its proper divisors (91754184).

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

45124740 is a wasteful number, since it uses less digits than its factorization.

45124740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250708 (or 250703 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 27.

The square root of 45124740 is about 6717.4950688482. The cubic root of 45124740 is about 356.0176841781.

Adding to 45124740 its reverse (4742154), we get a palindrome (49866894).

The spelling of 45124740 in words is "forty-five million, one hundred twenty-four thousand, seven hundred forty".