306744118157 has 2 divisors, whose sum is σ = 306744118158. Its totient is φ = 306744118156.

The previous prime is 306744118103. The next prime is 306744118189. The reversal of 306744118157 is 751811447603.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 306457459396 + 286658761 = 553586^2 + 16931^2 .

It is a cyclic number.

It is not a de Polignac number, because 306744118157 - 2³⁴ = 289564248973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (306744117157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153372059078 + 153372059079.

It is an arithmetic number, because the mean of its divisors is an integer number (153372059079).

Almost surely, 2^306744118157 is an apocalyptic number.

It is an amenable number.

306744118157 is a deficient number, since it is larger than the sum of its proper divisors (1).

306744118157 is an equidigital number, since it uses as much as digits as its factorization.

306744118157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 564480, while the sum is 47.

The spelling of 306744118157 in words is "three hundred six billion, seven hundred forty-four million, one hundred eighteen thousand, one hundred fifty-seven".