45505786 has 8 divisors (see below), whose sum is σ = 68382900. Its totient is φ = 22711488.

The previous prime is 45505781. The next prime is 45505793. The reversal of 45505786 is 68750554.

It can be written as a sum of positive squares in 2 ways, for example, as 44475561 + 1030225 = 6669^2 + 1015^2 .

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

It is not an unprimeable number, because it can be changed into a prime (45505781) 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, 19311 + ... + 21538.

Almost surely, 2^45505786 is an apocalyptic number.

45505786 is a deficient number, since it is larger than the sum of its proper divisors (22877114).

45505786 is a wasteful number, since it uses less digits than its factorization.

45505786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41408.

The product of its (nonzero) digits is 168000, while the sum is 40.

The square root of 45505786 is about 6745.7976548367. The cubic root of 45505786 is about 357.0169811484.

The spelling of 45505786 in words is "forty-five million, five hundred five thousand, seven hundred eighty-six".