34145091 has 32 divisors (see below), whose sum is σ = 52254720. Its totient is φ = 22025952.

The previous prime is 34145051. The next prime is 34145099. The reversal of 34145091 is 19054143.

It is not a de Polignac number, because 34145091 - 2⁷ = 34144963 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (34145099) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 153006 + ... + 153228.

It is an arithmetic number, because the mean of its divisors is an integer number (1632960).

Almost surely, 2^34145091 is an apocalyptic number.

34145091 is a deficient number, since it is larger than the sum of its proper divisors (18109629).

34145091 is a wasteful number, since it uses less digits than its factorization.

34145091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392 (or 386 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 34145091 is about 5843.3801005925. The cubic root of 34145091 is about 324.4213482504.

The spelling of 34145091 in words is "thirty-four million, one hundred forty-five thousand, ninety-one".