45445007 has 4 divisors (see below), whose sum is σ = 45463080. Its totient is φ = 45426936.

The previous prime is 45445003. The next prime is 45445013. The reversal of 45445007 is 70054454.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70054454 = 2 ⋅35027227.

It is a cyclic number.

It is not a de Polignac number, because 45445007 - 2² = 45445003 is a prime.

It is a super-2 number, since 2×45445007² = 4130497322460098, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45445003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4508 + ... + 10545.

It is an arithmetic number, because the mean of its divisors is an integer number (11365770).

Almost surely, 2^45445007 is an apocalyptic number.

45445007 is a deficient number, since it is larger than the sum of its proper divisors (18073).

45445007 is a wasteful number, since it uses less digits than its factorization.

45445007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18072.

The product of its (nonzero) digits is 11200, while the sum is 29.

The square root of 45445007 is about 6741.2911967961. The cubic root of 45445007 is about 356.8579625205.

The spelling of 45445007 in words is "forty-five million, four hundred forty-five thousand, seven".