74073146455157 has 2 divisors, whose sum is σ = 74073146455158. Its totient is φ = 74073146455156.

The previous prime is 74073146455151. The next prime is 74073146455171. The reversal of 74073146455157 is 75155464137047.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42947916613156 + 31125229842001 = 6553466^2 + 5578999^2 .

It is a cyclic number.

It is not a de Polignac number, because 74073146455157 - 2²⁶ = 74073079346293 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 74073146455096 and 74073146455105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74073146455151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37036573227578 + 37036573227579.

It is an arithmetic number, because the mean of its divisors is an integer number (37036573227579).

Almost surely, 2^{74073146455157} is an apocalyptic number.

It is an amenable number.

74073146455157 is a deficient number, since it is larger than the sum of its proper divisors (1).

74073146455157 is an equidigital number, since it uses as much as digits as its factorization.

74073146455157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 49392000, while the sum is 59.

The spelling of 74073146455157 in words is "seventy-four trillion, seventy-three billion, one hundred forty-six million, four hundred fifty-five thousand, one hundred fifty-seven".