436436045 has 4 divisors (see below), whose sum is σ = 523723260. Its totient is φ = 349148832.

The previous prime is 436436041. The next prime is 436436047. The reversal of 436436045 is 540634634.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 540634634 = 2 ⋅270317317.

It can be written as a sum of positive squares in 2 ways, for example, as 328733161 + 107702884 = 18131^2 + 10378^2 .

It is a cyclic number.

It is not a de Polignac number, because 436436045 - 2² = 436436041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 436435996 and 436436014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (436436041) 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, 43643600 + ... + 43643609.

It is an arithmetic number, because the mean of its divisors is an integer number (130930815).

Almost surely, 2^436436045 is an apocalyptic number.

It is an amenable number.

436436045 is a deficient number, since it is larger than the sum of its proper divisors (87287215).

436436045 is an equidigital number, since it uses as much as digits as its factorization.

436436045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87287214.

The product of its (nonzero) digits is 103680, while the sum is 35.

The square root of 436436045 is about 20891.0517925738. The cubic root of 436436045 is about 758.5313541023.

It can be divided in two parts, 43643 and 6045, that multiplied together give a triangular number (263821935 = T₂₂₉₇₀).

The spelling of 436436045 in words is "four hundred thirty-six million, four hundred thirty-six thousand, forty-five".