34102157 has 4 divisors (see below), whose sum is σ = 34404060. Its totient is φ = 33800256.

The previous prime is 34102151. The next prime is 34102163. The reversal of 34102157 is 75120143.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (34102151) and next prime (34102163).

It can be written as a sum of positive squares in 2 ways, for example, as 4301476 + 29800681 = 2074^2 + 5459^2 .

It is a cyclic number.

It is not a de Polignac number, because 34102157 - 2¹² = 34098061 is a prime.

It is a super-2 number, since 2×34102157² = 2325914224105298, 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 (34102151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150782 + ... + 151007.

It is an arithmetic number, because the mean of its divisors is an integer number (8601015).

Almost surely, 2^34102157 is an apocalyptic number.

It is an amenable number.

34102157 is a deficient number, since it is larger than the sum of its proper divisors (301903).

34102157 is a wasteful number, since it uses less digits than its factorization.

34102157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301902.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 34102157 is about 5839.7052151628. The cubic root of 34102157 is about 324.2853155361.

The spelling of 34102157 in words is "thirty-four million, one hundred two thousand, one hundred fifty-seven".