45421585 has 24 divisors (see below), whose sum is σ = 60376680. Its totient is φ = 32778240.

The previous prime is 45421577. The next prime is 45421589. The reversal of 45421585 is 58512454.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 101761 + 45319824 = 319^2 + 6732^2 .

It is not a de Polignac number, because 45421585 - 2³ = 45421577 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45421585.

It is not an unprimeable number, because it can be changed into a prime (45421589) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 116571 + ... + 116959.

It is an arithmetic number, because the mean of its divisors is an integer number (2515695).

Almost surely, 2^45421585 is an apocalyptic number.

It is an amenable number.

45421585 is a deficient number, since it is larger than the sum of its proper divisors (14955095).

45421585 is a wasteful number, since it uses less digits than its factorization.

45421585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609 (or 598 counting only the distinct ones).

The product of its digits is 32000, while the sum is 34.

The square root of 45421585 is about 6739.5537686111. The cubic root of 45421585 is about 356.7966447205.

The spelling of 45421585 in words is "forty-five million, four hundred twenty-one thousand, five hundred eighty-five".