45188771 has 8 divisors (see below), whose sum is σ = 48386160. Its totient is φ = 42051328.

The previous prime is 45188723. The next prime is 45188789. The reversal of 45188771 is 17788154.

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 45188771 - 2²² = 40994467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45188791) 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, 13421 + ... + 16446.

It is an arithmetic number, because the mean of its divisors is an integer number (6048270).

Almost surely, 2^45188771 is an apocalyptic number.

45188771 is a deficient number, since it is larger than the sum of its proper divisors (3197389).

45188771 is a wasteful number, since it uses less digits than its factorization.

45188771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29973.

The product of its digits is 62720, while the sum is 41.

The square root of 45188771 is about 6722.2593672068. The cubic root of 45188771 is about 356.1859983107.

The spelling of 45188771 in words is "forty-five million, one hundred eighty-eight thousand, seven hundred seventy-one".