45187043 has 8 divisors (see below), whose sum is σ = 50497776. Its totient is φ = 40076800.

The previous prime is 45187007. The next prime is 45187049. The reversal of 45187043 is 34078154.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45187043 - 2¹² = 45182947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45187049) 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, 49646 + ... + 50547.

It is an arithmetic number, because the mean of its divisors is an integer number (6312222).

Almost surely, 2^45187043 is an apocalyptic number.

45187043 is a deficient number, since it is larger than the sum of its proper divisors (5310733).

45187043 is a wasteful number, since it uses less digits than its factorization.

45187043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100245.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 45187043 is about 6722.1308377627. The cubic root of 45187043 is about 356.1814581175.

Subtracting from 45187043 its reverse (34078154), we obtain a square (11108889 = 3333²).

The spelling of 45187043 in words is "forty-five million, one hundred eighty-seven thousand, forty-three".