45381787 has 8 divisors (see below), whose sum is σ = 50135040. Its totient is φ = 40733160.

The previous prime is 45381773. The next prime is 45381811. The reversal of 45381787 is 78718354.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45381787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45381757) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25243 + ... + 26980.

It is an arithmetic number, because the mean of its divisors is an integer number (6266880).

Almost surely, 2^45381787 is an apocalyptic number.

45381787 is a deficient number, since it is larger than the sum of its proper divisors (4753253).

45381787 is a wasteful number, since it uses less digits than its factorization.

45381787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52313.

The product of its digits is 188160, while the sum is 43.

The square root of 45381787 is about 6736.6005522073. The cubic root of 45381787 is about 356.6924068922.

The spelling of 45381787 in words is "forty-five million, three hundred eighty-one thousand, seven hundred eighty-seven".