254118157 has 2 divisors, whose sum is σ = 254118158. Its totient is φ = 254118156.

The previous prime is 254118077. The next prime is 254118167. The reversal of 254118157 is 751811452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 139499721 + 114618436 = 11811^2 + 10706^2 .

It is a cyclic number.

It is not a de Polignac number, because 254118157 - 2¹⁹ = 253593869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (254118167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127059078 + 127059079.

It is an arithmetic number, because the mean of its divisors is an integer number (127059079).

Almost surely, 2^254118157 is an apocalyptic number.

It is an amenable number.

254118157 is a deficient number, since it is larger than the sum of its proper divisors (1).

254118157 is an equidigital number, since it uses as much as digits as its factorization.

254118157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11200, while the sum is 34.

The square root of 254118157 is about 15941.0839342875. The cubic root of 254118157 is about 633.4007388707.

It can be divided in two parts, 254 and 118157, that multiplied together give a triangular number (30011878 = T₇₇₄₇).

The spelling of 254118157 in words is "two hundred fifty-four million, one hundred eighteen thousand, one hundred fifty-seven".