45743519 has 4 divisors (see below), whose sum is σ = 45774600. Its totient is φ = 45712440.

The previous prime is 45743501. The next prime is 45743539. The reversal of 45743519 is 91534754.

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 45743519 - 2⁸ = 45743263 is a prime.

It is a super-2 number, since 2×45743519² = 4184939061006722, 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 (45743539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13217 + ... + 16314.

It is an arithmetic number, because the mean of its divisors is an integer number (11443650).

Almost surely, 2^45743519 is an apocalyptic number.

45743519 is a deficient number, since it is larger than the sum of its proper divisors (31081).

45743519 is a wasteful number, since it uses less digits than its factorization.

45743519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31080.

The product of its digits is 75600, while the sum is 38.

The square root of 45743519 is about 6763.3955229603. The cubic root of 45743519 is about 357.6376153654.

The spelling of 45743519 in words is "forty-five million, seven hundred forty-three thousand, five hundred nineteen".