2908245157 has 2 divisors, whose sum is σ = 2908245158. Its totient is φ = 2908245156.

The previous prime is 2908245121. The next prime is 2908245167. The reversal of 2908245157 is 7515428092.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1894077441 + 1014167716 = 43521^2 + 31846^2 .

It is a cyclic number.

It is not a de Polignac number, because 2908245157 - 2²⁷ = 2774027429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2908245107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1454122578 + 1454122579.

It is an arithmetic number, because the mean of its divisors is an integer number (1454122579).

Almost surely, 2^2908245157 is an apocalyptic number.

It is an amenable number.

2908245157 is a deficient number, since it is larger than the sum of its proper divisors (1).

2908245157 is an equidigital number, since it uses as much as digits as its factorization.

2908245157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 201600, while the sum is 43.

The square root of 2908245157 is about 53928.1480954056. The cubic root of 2908245157 is about 1427.3933567942.

The spelling of 2908245157 in words is "two billion, nine hundred eight million, two hundred forty-five thousand, one hundred fifty-seven".