45628690 has 16 divisors (see below), whose sum is σ = 86454720. Its totient is φ = 17290800.

The previous prime is 45628673. The next prime is 45628721. The reversal of 45628690 is 9682654.

It is a happy number.

It is a super-2 number, since 2×45628690² = 4163954702232200, which contains 22 as substring.

It is a plaindrome in base 12.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119886 + ... + 120265.

It is an arithmetic number, because the mean of its divisors is an integer number (5403420).

Almost surely, 2^45628690 is an apocalyptic number.

45628690 is a deficient number, since it is larger than the sum of its proper divisors (40826030).

45628690 is a wasteful number, since it uses less digits than its factorization.

45628690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240177.

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 45628690 is about 6754.9011835851. The cubic root of 45628690 is about 357.3381078652.

The spelling of 45628690 in words is "forty-five million, six hundred twenty-eight thousand, six hundred ninety".