34520158 has 4 divisors (see below), whose sum is σ = 51780240. Its totient is φ = 17260078.

The previous prime is 34520107. The next prime is 34520159. The reversal of 34520158 is 85102543.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 85102543 = 151 ⋅563593.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34520159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8630038 + ... + 8630041.

It is an arithmetic number, because the mean of its divisors is an integer number (12945060).

Almost surely, 2^34520158 is an apocalyptic number.

34520158 is a deficient number, since it is larger than the sum of its proper divisors (17260082).

34520158 is a wasteful number, since it uses less digits than its factorization.

34520158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17260081.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 34520158 is about 5875.3857745683. The cubic root of 34520158 is about 325.6048947643.

It can be divided in two parts, 345 and 20158, that added together give a triangular number (20503 = T₂₀₂).

The spelling of 34520158 in words is "thirty-four million, five hundred twenty thousand, one hundred fifty-eight".