34161157 has 4 divisors (see below), whose sum is σ = 34174336. Its totient is φ = 34147980.

The previous prime is 34161121. The next prime is 34161161. The reversal of 34161157 is 75116143.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34161157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34167157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1269 + ... + 8362.

It is an arithmetic number, because the mean of its divisors is an integer number (8543584).

Almost surely, 2^34161157 is an apocalyptic number.

It is an amenable number.

34161157 is a deficient number, since it is larger than the sum of its proper divisors (13179).

34161157 is an equidigital number, since it uses as much as digits as its factorization.

34161157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13178.

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

The square root of 34161157 is about 5844.7546569552. The cubic root of 34161157 is about 324.4722226803.

The spelling of 34161157 in words is "thirty-four million, one hundred sixty-one thousand, one hundred fifty-seven".