45643434 has 16 divisors (see below), whose sum is σ = 96091680. Its totient is φ = 14413680.

The previous prime is 45643427. The next prime is 45643471. The reversal of 45643434 is 43434654.

It is a junction number, because it is equal to n+sod(n) for n = 45643395 and 45643404.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200077 + ... + 200304.

It is an arithmetic number, because the mean of its divisors is an integer number (6005730).

Almost surely, 2^45643434 is an apocalyptic number.

45643434 is an abundant number, since it is smaller than the sum of its proper divisors (50448246).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45643434 is a wasteful number, since it uses less digits than its factorization.

45643434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400405.

The product of its digits is 69120, while the sum is 33.

The square root of 45643434 is about 6755.9924511503. The cubic root of 45643434 is about 357.3765926115.

The spelling of 45643434 in words is "forty-five million, six hundred forty-three thousand, four hundred thirty-four".