1045435431 has 4 divisors (see below), whose sum is σ = 1393913912. Its totient is φ = 696956952.

The previous prime is 1045435421. The next prime is 1045435511. The reversal of 1045435431 is 1345345401.

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

It is not a de Polignac number, because 1045435431 - 2⁹ = 1045434919 is a prime.

It is a super-2 number, since 2×1045435431² = 2185870480780311522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045435421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174239236 + ... + 174239241.

It is an arithmetic number, because the mean of its divisors is an integer number (348478478).

Almost surely, 2^1045435431 is an apocalyptic number.

1045435431 is a deficient number, since it is larger than the sum of its proper divisors (348478481).

1045435431 is an equidigital number, since it uses as much as digits as its factorization.

1045435431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348478480.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 1045435431 is about 32333.1939498714. The cubic root of 1045435431 is about 1014.9213884291.

The spelling of 1045435431 in words is "one billion, forty-five million, four hundred thirty-five thousand, four hundred thirty-one".