45621685 has 8 divisors (see below), whose sum is σ = 55146456. Its totient is φ = 36230400.

The previous prime is 45621683. The next prime is 45621701. The reversal of 45621685 is 58612654.

It can be written as a sum of positive squares in 4 ways, for example, as 11410884 + 34210801 = 3378^2 + 5849^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 45621685 - 2¹ = 45621683 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45621683) 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, 32616 + ... + 33985.

It is an arithmetic number, because the mean of its divisors is an integer number (6893307).

Almost surely, 2^45621685 is an apocalyptic number.

It is an amenable number.

45621685 is a deficient number, since it is larger than the sum of its proper divisors (9524771).

45621685 is a wasteful number, since it uses less digits than its factorization.

45621685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66743.

The product of its digits is 57600, while the sum is 37.

The square root of 45621685 is about 6754.3826512865. The cubic root of 45621685 is about 357.3198205292.

The spelling of 45621685 in words is "forty-five million, six hundred twenty-one thousand, six hundred eighty-five".