45005587 has 12 divisors (see below), whose sum is σ = 49640920. Its totient is φ = 40772160.

The previous prime is 45005561. The next prime is 45005603. The reversal of 45005587 is 78550054.

It is a de Polignac number, because none of the positive numbers 2^k-45005587 is a prime.

It is a super-2 number, since 2×45005587² = 4051005722429138, which contains 22 as substring.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45005537) 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, 51964 + ... + 52822.

Almost surely, 2^45005587 is an apocalyptic number.

45005587 is a deficient number, since it is larger than the sum of its proper divisors (4635333).

45005587 is a wasteful number, since it uses less digits than its factorization.

45005587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1314 (or 1303 counting only the distinct ones).

The product of its (nonzero) digits is 28000, while the sum is 34.

The square root of 45005587 is about 6708.6203499676. The cubic root of 45005587 is about 355.7040501087.

The spelling of 45005587 in words is "forty-five million, five thousand, five hundred eighty-seven".