45628689 has 4 divisors (see below), whose sum is σ = 60838256. Its totient is φ = 30419124.

The previous prime is 45628673. The next prime is 45628721. The reversal of 45628689 is 98682654.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 45628689 - 2⁴ = 45628673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45618689) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7604779 + ... + 7604784.

It is an arithmetic number, because the mean of its divisors is an integer number (15209564).

Almost surely, 2^45628689 is an apocalyptic number.

It is an amenable number.

45628689 is a deficient number, since it is larger than the sum of its proper divisors (15209567).

45628689 is a wasteful number, since it uses less digits than its factorization.

45628689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15209566.

The product of its digits is 829440, while the sum is 48.

The square root of 45628689 is about 6754.9011095648. The cubic root of 45628689 is about 357.3381052547.

The spelling of 45628689 in words is "forty-five million, six hundred twenty-eight thousand, six hundred eighty-nine".