45643535 has 32 divisors (see below), whose sum is σ = 65370240. Its totient is φ = 29933568.

The previous prime is 45643531. The next prime is 45643541. The reversal of 45643535 is 53534654.

It is a Cunningham number, because it is equal to 6756²-1.

It is not a de Polignac number, because 45643535 - 2² = 45643531 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a junction number, because it is equal to n+sod(n) for n = 45643495 and 45643504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45643531) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 195779 + ... + 196011.

It is an arithmetic number, because the mean of its divisors is an integer number (2042820).

Almost surely, 2^45643535 is an apocalyptic number.

45643535 is a deficient number, since it is larger than the sum of its proper divisors (19726705).

45643535 is a wasteful number, since it uses less digits than its factorization.

45643535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467.

The product of its digits is 108000, while the sum is 35.

The square root of 45643535 is about 6755.9999259917. Note that the first 4 decimals coincide. The cubic root of 45643535 is about 357.3768562128.

The spelling of 45643535 in words is "forty-five million, six hundred forty-three thousand, five hundred thirty-five".