945138 has 8 divisors (see below), whose sum is σ = 1890288. Its totient is φ = 315044.

The previous prime is 945103. The next prime is 945143. The reversal of 945138 is 831549.

It is a sphenic number, since it is the product of 3 distinct primes.

945138 is an admirable number.

It is a Curzon number.

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 3 ways as a sum of consecutive naturals, for example, 78756 + ... + 78767.

It is an arithmetic number, because the mean of its divisors is an integer number (236286).

2⁹⁴⁵¹³⁸ is an apocalyptic number.

945138 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

945138 is a wasteful number, since it uses less digits than its factorization.

945138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157528.

The product of its digits is 4320, while the sum is 30.

The square root of 945138 is about 972.1820817110. The cubic root of 945138 is about 98.1367658684.

The spelling of 945138 in words is "nine hundred forty-five thousand, one hundred thirty-eight".