3145157 has 2 divisors, whose sum is σ = 3145158. Its totient is φ = 3145156.

The previous prime is 3145147. The next prime is 3145169. The reversal of 3145157 is 7515413.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3094081 + 51076 = 1759^2 + 226^2 .

It is an emirp because it is prime and its reverse (7515413) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3145157 - 2⁴ = 3145141 is a prime.

It is a super-3 number, since 3×3145157³ = 93335797591026554679, which contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3145117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1572578 + 1572579.

It is an arithmetic number, because the mean of its divisors is an integer number (1572579).

Almost surely, 2^3145157 is an apocalyptic number.

It is an amenable number.

3145157 is a deficient number, since it is larger than the sum of its proper divisors (1).

3145157 is an equidigital number, since it uses as much as digits as its factorization.

3145157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2100, while the sum is 26.

The square root of 3145157 is about 1773.4590494285. The cubic root of 3145157 is about 146.5145570612.

The spelling of 3145157 in words is "three million, one hundred forty-five thousand, one hundred fifty-seven".