34145157 has 4 divisors (see below), whose sum is σ = 45526880. Its totient is φ = 22763436.

The previous prime is 34145131. The next prime is 34145207. The reversal of 34145157 is 75154143.

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 not a de Polignac number, because 34145157 - 2⁷ = 34145029 is a prime.

It is a super-3 number, since 3×34145157³ (a number of 24 digits) contains 333 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 (34145257) 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, 5690857 + ... + 5690862.

It is an arithmetic number, because the mean of its divisors is an integer number (11381720).

Almost surely, 2^34145157 is an apocalyptic number.

It is an amenable number.

34145157 is a deficient number, since it is larger than the sum of its proper divisors (11381723).

34145157 is a wasteful number, since it uses less digits than its factorization.

34145157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11381722.

The product of its digits is 8400, while the sum is 30.

The square root of 34145157 is about 5843.3857480060. The cubic root of 34145157 is about 324.4215572780.

The spelling of 34145157 in words is "thirty-four million, one hundred forty-five thousand, one hundred fifty-seven".