45985930 has 8 divisors (see below), whose sum is σ = 82774692. Its totient is φ = 18394368.

The previous prime is 45985913. The next prime is 45985937. The reversal of 45985930 is 3958954.

It is a happy number.

45985930 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 45981961 + 3969 = 6781^2 + 63^2 .

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

It is a super-2 number, since 2×45985930² = 4229411515929800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45985937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2299287 + ... + 2299306.

Almost surely, 2^45985930 is an apocalyptic number.

45985930 is a deficient number, since it is larger than the sum of its proper divisors (36788762).

45985930 is a wasteful number, since it uses less digits than its factorization.

45985930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4598600.

The product of its (nonzero) digits is 194400, while the sum is 43.

The square root of 45985930 is about 6781.2926496355. The cubic root of 45985930 is about 358.2682518665.

The spelling of 45985930 in words is "forty-five million, nine hundred eighty-five thousand, nine hundred thirty".