104545187 has 4 divisors (see below), whose sum is σ = 105092736. Its totient is φ = 103997640.

The previous prime is 104545183. The next prime is 104545211. The reversal of 104545187 is 781545401.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 104545187 - 2² = 104545183 is a prime.

It is a super-2 number, since 2×104545187² = 21859392249729938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104545183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 273488 + ... + 273869.

It is an arithmetic number, because the mean of its divisors is an integer number (26273184).

Almost surely, 2^104545187 is an apocalyptic number.

104545187 is a deficient number, since it is larger than the sum of its proper divisors (547549).

104545187 is an equidigital number, since it uses as much as digits as its factorization.

104545187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547548.

The product of its (nonzero) digits is 22400, while the sum is 35.

The square root of 104545187 is about 10224.7340796717. The cubic root of 104545187 is about 471.0872475382.

The spelling of 104545187 in words is "one hundred four million, five hundred forty-five thousand, one hundred eighty-seven".