45007994 has 8 divisors (see below), whose sum is σ = 67549140. Its totient is φ = 22491616.

The previous prime is 45007981. The next prime is 45007997. The reversal of 45007994 is 49970054.

It can be written as a sum of positive squares in 2 ways, for example, as 30085225 + 14922769 = 5485^2 + 3863^2 .

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 (45007997) 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, 659 + ... + 9510.

Almost surely, 2^45007994 is an apocalyptic number.

45007994 is a deficient number, since it is larger than the sum of its proper divisors (22541146).

45007994 is a wasteful number, since it uses less digits than its factorization.

45007994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12384.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 45007994 is about 6708.7997436203. The cubic root of 45007994 is about 355.7103912798.

The spelling of 45007994 in words is "forty-five million, seven thousand, nine hundred ninety-four".