45141540 has 24 divisors (see below), whose sum is σ = 126396480. Its totient is φ = 12037728.

The previous prime is 45141527. The next prime is 45141541. The reversal of 45141540 is 4514154.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 45141540.

It is not an unprimeable number, because it can be changed into a prime (45141541) 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, 376120 + ... + 376239.

It is an arithmetic number, because the mean of its divisors is an integer number (5266520).

Almost surely, 2^45141540 is an apocalyptic number.

It is an amenable number.

45141540 is an abundant number, since it is smaller than the sum of its proper divisors (81254940).

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

45141540 is a wasteful number, since it uses less digits than its factorization.

45141540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 752371 (or 752369 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 45141540 is about 6718.7454186031. The cubic root of 45141540 is about 356.0618606468.

Adding to 45141540 its reverse (4514154), we get a palindrome (49655694).

The spelling of 45141540 in words is "forty-five million, one hundred forty-one thousand, five hundred forty".