45705561 has 8 divisors (see below), whose sum is σ = 66480864. Its totient is φ = 27700320.

The previous prime is 45705533. The next prime is 45705587. The reversal of 45705561 is 16550754.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 45705561 - 2¹⁰ = 45704537 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 1385017 = 45705561 / (4 + 5 + 7 + 0 + 5 + 5 + 6 + 1).

It is not an unprimeable number, because it can be changed into a prime (45705511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 692476 + ... + 692541.

It is an arithmetic number, because the mean of its divisors is an integer number (8310108).

Almost surely, 2^45705561 is an apocalyptic number.

It is an amenable number.

45705561 is a deficient number, since it is larger than the sum of its proper divisors (20775303).

45705561 is a wasteful number, since it uses less digits than its factorization.

45705561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1385031.

The product of its (nonzero) digits is 21000, while the sum is 33.

The square root of 45705561 is about 6760.5888057180. The cubic root of 45705561 is about 357.5386653536.

The spelling of 45705561 in words is "forty-five million, seven hundred five thousand, five hundred sixty-one".