945919043 has 2 divisors, whose sum is σ = 945919044. Its totient is φ = 945919042.

The previous prime is 945919021. The next prime is 945919067. The reversal of 945919043 is 340919549.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 945919043 - 2⁶ = 945918979 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 945918985 and 945919003.

It is not a weakly prime, because it can be changed into another prime (945919003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 472959521 + 472959522.

It is an arithmetic number, because the mean of its divisors is an integer number (472959522).

Almost surely, 2^945919043 is an apocalyptic number.

945919043 is a deficient number, since it is larger than the sum of its proper divisors (1).

945919043 is an equidigital number, since it uses as much as digits as its factorization.

945919043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 174960, while the sum is 44.

The square root of 945919043 is about 30755.7969007470. The cubic root of 945919043 is about 981.6379117404.

The spelling of 945919043 in words is "nine hundred forty-five million, nine hundred nineteen thousand, forty-three".