945981258 has 16 divisors (see below), whose sum is σ = 1903571616. Its totient is φ = 313392240.

The previous prime is 945981187. The next prime is 945981287. The reversal of 945981258 is 852189549.

It is a self number, because there is not a number n which added to its sum of digits gives 945981258.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 482653 + ... + 484608.

It is an arithmetic number, because the mean of its divisors is an integer number (118973226).

Almost surely, 2^945981258 is an apocalyptic number.

945981258 is an abundant number, since it is smaller than the sum of its proper divisors (957590358).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

945981258 is a wasteful number, since it uses less digits than its factorization.

945981258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 967429.

The product of its digits is 1036800, while the sum is 51.

The square root of 945981258 is about 30756.8083194599. The cubic root of 945981258 is about 981.6594327026.

The spelling of 945981258 in words is "nine hundred forty-five million, nine hundred eighty-one thousand, two hundred fifty-eight".