45643711 has 4 divisors (see below), whose sum is σ = 45683352. Its totient is φ = 45604072.

The previous prime is 45643693. The next prime is 45643723. The reversal of 45643711 is 11734654.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11734654 = 2 ⋅5867327.

It is a cyclic number.

It is not a de Polignac number, because 45643711 - 2¹⁹ = 45119423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45643781) 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, 18040 + ... + 20413.

It is an arithmetic number, because the mean of its divisors is an integer number (11420838).

Almost surely, 2^45643711 is an apocalyptic number.

45643711 is a deficient number, since it is larger than the sum of its proper divisors (39641).

45643711 is a wasteful number, since it uses less digits than its factorization.

45643711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39640.

The product of its digits is 10080, while the sum is 31.

The square root of 45643711 is about 6756.0129514381. The cubic root of 45643711 is about 357.3773155568.

The spelling of 45643711 in words is "forty-five million, six hundred forty-three thousand, seven hundred eleven".