945149311 has 4 divisors (see below), whose sum is σ = 960643624. Its totient is φ = 929655000.

The previous prime is 945149299. The next prime is 945149329. The reversal of 945149311 is 113941549.

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 945149311 - 2²³ = 936760703 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (945149911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7747065 + ... + 7747186.

It is an arithmetic number, because the mean of its divisors is an integer number (240160906).

Almost surely, 2^945149311 is an apocalyptic number.

945149311 is a deficient number, since it is larger than the sum of its proper divisors (15494313).

945149311 is a wasteful number, since it uses less digits than its factorization.

945149311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15494312.

The product of its digits is 19440, while the sum is 37.

The square root of 945149311 is about 30743.2807455548. The cubic root of 945149311 is about 981.3715735287.

The spelling of 945149311 in words is "nine hundred forty-five million, one hundred forty-nine thousand, three hundred eleven".