45730519 has 4 divisors (see below), whose sum is σ = 45851560. Its totient is φ = 45609480.

The previous prime is 45730513. The next prime is 45730523. The reversal of 45730519 is 91503754.

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 45730519 - 2⁹ = 45730007 is a prime.

It is a super-2 number, since 2×45730519² = 4182560736018722, 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 (45730513) 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, 59952 + ... + 60709.

It is an arithmetic number, because the mean of its divisors is an integer number (11462890).

Almost surely, 2^45730519 is an apocalyptic number.

45730519 is a deficient number, since it is larger than the sum of its proper divisors (121041).

45730519 is a wasteful number, since it uses less digits than its factorization.

45730519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121040.

The product of its (nonzero) digits is 18900, while the sum is 34.

The square root of 45730519 is about 6762.4343989424. The cubic root of 45730519 is about 357.6037327550.

It can be divided in two parts, 457 and 30519, that added together give a square (30976 = 176²).

The spelling of 45730519 in words is "forty-five million, seven hundred thirty thousand, five hundred nineteen".