945140673 has 4 divisors (see below), whose sum is σ = 1260187568. Its totient is φ = 630093780.

The previous prime is 945140641. The next prime is 945140683. The reversal of 945140673 is 376041549.

945140673 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 945140673 - 2⁵ = 945140641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (945140683) 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, 157523443 + ... + 157523448.

It is an arithmetic number, because the mean of its divisors is an integer number (315046892).

Almost surely, 2^945140673 is an apocalyptic number.

It is an amenable number.

945140673 is a deficient number, since it is larger than the sum of its proper divisors (315046895).

945140673 is a wasteful number, since it uses less digits than its factorization.

945140673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315046894.

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 945140673 is about 30743.1402592513. The cubic root of 945140673 is about 981.3685838376.

The spelling of 945140673 in words is "nine hundred forty-five million, one hundred forty thousand, six hundred seventy-three".