45003994 has 8 divisors (see below), whose sum is σ = 77149728. Its totient is φ = 19287420.

The previous prime is 45003983. The next prime is 45003997. The reversal of 45003994 is 49930054.

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

It is not an unprimeable number, because it can be changed into a prime (45003997) 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, 1607272 + ... + 1607299.

It is an arithmetic number, because the mean of its divisors is an integer number (9643716).

Almost surely, 2^45003994 is an apocalyptic number.

45003994 is a deficient number, since it is larger than the sum of its proper divisors (32145734).

45003994 is a wasteful number, since it uses less digits than its factorization.

45003994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3214580.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 45003994 is about 6708.5016210775. The cubic root of 45003994 is about 355.6998532724.

The spelling of 45003994 in words is "forty-five million, three thousand, nine hundred ninety-four".