945540131 has 2 divisors, whose sum is σ = 945540132. Its totient is φ = 945540130.

The previous prime is 945540107. The next prime is 945540173. The reversal of 945540131 is 131045549.

945540131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 945540131 - 2²² = 941345827 is a prime.

It is a super-2 number, since 2×945540131² = 1788092278662994322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (945549131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 472770065 + 472770066.

It is an arithmetic number, because the mean of its divisors is an integer number (472770066).

Almost surely, 2^945540131 is an apocalyptic number.

945540131 is a deficient number, since it is larger than the sum of its proper divisors (1).

945540131 is an equidigital number, since it uses as much as digits as its factorization.

945540131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 945540131 is about 30749.6362742716. The cubic root of 945540131 is about 981.5068208670.

The spelling of 945540131 in words is "nine hundred forty-five million, five hundred forty thousand, one hundred thirty-one".