45687285 has 48 divisors (see below), whose sum is σ = 92636544. Its totient is φ = 20393856.

The previous prime is 45687281. The next prime is 45687287. The reversal of 45687285 is 58278654.

45687285 is a `hidden beast` number, since 4 + 568 + 7 + 2 + 85 = 666.

It is not a de Polignac number, because 45687285 - 2² = 45687281 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 45687285.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45687281) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11859 + ... + 15231.

It is an arithmetic number, because the mean of its divisors is an integer number (1929928).

Almost surely, 2^45687285 is an apocalyptic number.

45687285 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

45687285 is an abundant number, since it is smaller than the sum of its proper divisors (46949259).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45687285 is a wasteful number, since it uses less digits than its factorization.

45687285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3434 (or 3431 counting only the distinct ones).

The product of its digits is 537600, while the sum is 45.

The square root of 45687285 is about 6759.2370131547. The cubic root of 45687285 is about 357.4910034087.

The spelling of 45687285 in words is "forty-five million, six hundred eighty-seven thousand, two hundred eighty-five".