942157 has 8 divisors (see below), whose sum is σ = 1006776. Its totient is φ = 878592.

The previous prime is 942143. The next prime is 942163. The reversal of 942157 is 751249.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 133956 + 808201 = 366^2 + 899^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 942157 - 2¹⁹ = 417869 is a prime.

It is a Duffinian number.

942157 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (942167) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2493 + ... + 2845.

It is an arithmetic number, because the mean of its divisors is an integer number (125847).

2⁹⁴²¹⁵⁷ is an apocalyptic number.

It is an amenable number.

942157 is a deficient number, since it is larger than the sum of its proper divisors (64619).

942157 is a wasteful number, since it uses less digits than its factorization.

942157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527.

The product of its digits is 2520, while the sum is 28.

The square root of 942157 is about 970.6477218847. The cubic root of 942157 is about 98.0334815488.

The spelling of 942157 in words is "nine hundred forty-two thousand, one hundred fifty-seven".