833142157 has 4 divisors (see below), whose sum is σ = 852517600. Its totient is φ = 813766716.

The previous prime is 833142097. The next prime is 833142161. The reversal of 833142157 is 751241338.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 833142157 - 2⁷ = 833142029 is a prime.

It is a super-2 number, since 2×833142157² = 1388251707541225298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (833142197) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9687657 + ... + 9687742.

It is an arithmetic number, because the mean of its divisors is an integer number (213129400).

Almost surely, 2^833142157 is an apocalyptic number.

It is an amenable number.

833142157 is a deficient number, since it is larger than the sum of its proper divisors (19375443).

833142157 is a wasteful number, since it uses less digits than its factorization.

833142157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19375442.

The product of its digits is 20160, while the sum is 34.

The square root of 833142157 is about 28864.2019983231. The cubic root of 833142157 is about 940.9640618504.

The spelling of 833142157 in words is "eight hundred thirty-three million, one hundred forty-two thousand, one hundred fifty-seven".