45241540 has 24 divisors (see below), whose sum is σ = 95883480. Its totient is φ = 17929728.

The previous prime is 45241517. The next prime is 45241541. The reversal of 45241540 is 4514254.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4588164 + 40653376 = 2142^2 + 6376^2 .

It is not an unprimeable number, because it can be changed into a prime (45241541) 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, 8197 + ... + 12556.

It is an arithmetic number, because the mean of its divisors is an integer number (3995145).

Almost surely, 2^45241540 is an apocalyptic number.

It is an amenable number.

45241540 is an abundant number, since it is smaller than the sum of its proper divisors (50641940).

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

45241540 is a wasteful number, since it uses less digits than its factorization.

45241540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20871 (or 20869 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 45241540 is about 6726.1831672948. The cubic root of 45241540 is about 356.3245892860.

Adding to 45241540 its reverse (4514254), we get a palindrome (49755794).

The spelling of 45241540 in words is "forty-five million, two hundred forty-one thousand, five hundred forty".