45641930 has 8 divisors (see below), whose sum is σ = 82155492. Its totient is φ = 18256768.

The previous prime is 45641929. The next prime is 45641983. The reversal of 45641930 is 3914654.

It can be written as a sum of positive squares in 2 ways, for example, as 42680089 + 2961841 = 6533^2 + 1721^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2282087 + ... + 2282106.

Almost surely, 2^45641930 is an apocalyptic number.

45641930 is a deficient number, since it is larger than the sum of its proper divisors (36513562).

45641930 is a wasteful number, since it uses less digits than its factorization.

45641930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4564200.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 45641930 is about 6755.8811416424. The cubic root of 45641930 is about 357.3726672547.

The spelling of 45641930 in words is "forty-five million, six hundred forty-one thousand, nine hundred thirty".