945642 has 32 divisors (see below), whose sum is σ = 2045952. Its totient is φ = 290304.

The previous prime is 945631. The next prime is 945647. The reversal of 945642 is 246549.

It is a d-powerful number, because it can be written as 9⁶ + 4 + 6⁷ + 5⁵ + 4³ + 2¹⁷ .

It is not an unprimeable number, because it can be changed into a prime (945647) by changing a digit.

945642 is an untouchable number, because it is not equal to the sum of proper divisors of any 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 15 ways as a sum of consecutive naturals, for example, 7383 + ... + 7509.

It is an arithmetic number, because the mean of its divisors is an integer number (63936).

2⁹⁴⁵⁶⁴² is an apocalyptic number.

945642 is an abundant number, since it is smaller than the sum of its proper divisors (1100310).

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

945642 is a wasteful number, since it uses less digits than its factorization.

945642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222.

The product of its digits is 8640, while the sum is 30.

The square root of 945642 is about 972.4412578660. The cubic root of 945642 is about 98.1542067574.

The spelling of 945642 in words is "nine hundred forty-five thousand, six hundred forty-two".