945142 has 8 divisors (see below), whose sum is σ = 1546632. Its totient is φ = 429600.

The previous prime is 945103. The next prime is 945143. The reversal of 945142 is 241549.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (945143) by changing a digit.

945142 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21459 + ... + 21502.

It is an arithmetic number, because the mean of its divisors is an integer number (193329).

2⁹⁴⁵¹⁴² is an apocalyptic number.

945142 is a deficient number, since it is larger than the sum of its proper divisors (601490).

945142 is a wasteful number, since it uses less digits than its factorization.

945142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42974.

The product of its digits is 1440, while the sum is 25.

The square root of 945142 is about 972.1841389367. The cubic root of 945142 is about 98.1369043126.

The spelling of 945142 in words is "nine hundred forty-five thousand, one hundred forty-two".