245181151 has 2 divisors, whose sum is σ = 245181152. Its totient is φ = 245181150.

The previous prime is 245181121. The next prime is 245181163. The reversal of 245181151 is 151181542.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 245181151 - 2¹³ = 245172959 is a prime.

It is a super-2 number, since 2×245181151² = 120227593611369602, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245181121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122590575 + 122590576.

It is an arithmetic number, because the mean of its divisors is an integer number (122590576).

Almost surely, 2^245181151 is an apocalyptic number.

245181151 is a deficient number, since it is larger than the sum of its proper divisors (1).

245181151 is an equidigital number, since it uses as much as digits as its factorization.

245181151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1600, while the sum is 28.

The square root of 245181151 is about 15658.2614296735. The cubic root of 245181151 is about 625.8866570680.

The spelling of 245181151 in words is "two hundred forty-five million, one hundred eighty-one thousand, one hundred fifty-one".