45731587 has 12 divisors (see below), whose sum is σ = 51026248. Its totient is φ = 40946400.

The previous prime is 45731573. The next prime is 45731591. The reversal of 45731587 is 78513754.

It is not a de Polignac number, because 45731587 - 2¹¹ = 45729539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45731087) 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, 5287 + ... + 10927.

Almost surely, 2^45731587 is an apocalyptic number.

45731587 is a deficient number, since it is larger than the sum of its proper divisors (5294661).

45731587 is a wasteful number, since it uses less digits than its factorization.

45731587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5730 (or 5719 counting only the distinct ones).

The product of its digits is 117600, while the sum is 40.

The square root of 45731587 is about 6762.5133641273. The cubic root of 45731587 is about 357.6065165839.

The spelling of 45731587 in words is "forty-five million, seven hundred thirty-one thousand, five hundred eighty-seven".