434545431 has 4 divisors (see below), whose sum is σ = 579393912. Its totient is φ = 289696952.

The previous prime is 434545411. The next prime is 434545439. The reversal of 434545431 is 134545434.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 434545431 - 2⁵ = 434545399 is a prime.

It is a super-2 number, since 2×434545431² = 377659463205951522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 434545392 and 434545401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434545439) 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, 72424236 + ... + 72424241.

It is an arithmetic number, because the mean of its divisors is an integer number (144848478).

Almost surely, 2^434545431 is an apocalyptic number.

434545431 is a deficient number, since it is larger than the sum of its proper divisors (144848481).

434545431 is a wasteful number, since it uses less digits than its factorization.

434545431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144848480.

The product of its digits is 57600, while the sum is 33.

The square root of 434545431 is about 20845.7533085279. The cubic root of 434545431 is about 757.4344650250.

The spelling of 434545431 in words is "four hundred thirty-four million, five hundred forty-five thousand, four hundred thirty-one".