45030319 has 4 divisors (see below), whose sum is σ = 45046944. Its totient is φ = 45013696.

The previous prime is 45030313. The next prime is 45030379. The reversal of 45030319 is 91303054.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45030319 - 2⁵ = 45030287 is a prime.

It is a super-2 number, since 2×45030319² = 4055459258483522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45030293 and 45030302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45030313) 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, 3202 + ... + 10015.

It is an arithmetic number, because the mean of its divisors is an integer number (11261736).

Almost surely, 2^45030319 is an apocalyptic number.

45030319 is a deficient number, since it is larger than the sum of its proper divisors (16625).

45030319 is a wasteful number, since it uses less digits than its factorization.

45030319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16624.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 45030319 is about 6710.4633968155. The cubic root of 45030319 is about 355.7691950694.

The spelling of 45030319 in words is "forty-five million, thirty thousand, three hundred nineteen".